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73994404 = 22112172232
BaseRepresentation
bin1000110100100…
…01000010100100
312011020022020111
410122101002210
5122420310104
611201542404
71555641061
oct432210244
9164208214
1073994404
113884a100
1220944a04
1312439993
149b81c68
156769404
hex46910a4

73994404 has 81 divisors (see below), whose sum is σ = 158056801. Its totient is φ = 30279040.

The previous prime is 73994383. The next prime is 73994407. The reversal of 73994404 is 40449937.

The square root of 73994404 is 8602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 16386304 = 7590^2 + 4048^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73994407) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3217137 + ... + 3217159.

Almost surely, 273994404 is an apocalyptic number.

73994404 is the 8602-nd square number.

It is an amenable number.

73994404 is an abundant number, since it is smaller than the sum of its proper divisors (84062397).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73994404 is a wasteful number, since it uses less digits than its factorization.

73994404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The cubic root of 73994404 is about 419.8230622804.

The spelling of 73994404 in words is "seventy-three million, nine hundred ninety-four thousand, four hundred four".

Divisors: 1 2 4 11 17 22 23 34 44 46 68 92 121 187 242 253 289 374 391 484 506 529 578 748 782 1012 1058 1156 1564 2057 2116 2783 3179 4114 4301 5566 5819 6358 6647 8228 8602 8993 11132 11638 12716 13294 17204 17986 23276 26588 34969 35972 47311 64009 69938 73117 94622 98923 128018 139876 146234 152881 189244 197846 256036 292468 305762 395692 611524 804287 1088153 1608574 1681691 2176306 3217148 3363382 4352612 6726764 18498601 36997202 73994404