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74430925 = 5213122727
BaseRepresentation
bin1000110111110…
…11100111001101
312012001111000221
410123323213031
5123023242200
611215151341
71562436532
oct433734715
9165044027
1074430925
1139018068
1220b15551
131256058a
149c56d89
15680391a
hex46fb9cd

74430925 has 12 divisors (see below), whose sum is σ = 93002976. Its totient is φ = 59087600.

The previous prime is 74430911. The next prime is 74430929. The reversal of 74430925 is 52903447.

It is not a de Polignac number, because 74430925 - 29 = 74430413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74430929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8089 + ... + 14638.

It is an arithmetic number, because the mean of its divisors is an integer number (7750248).

Almost surely, 274430925 is an apocalyptic number.

It is an amenable number.

74430925 is a deficient number, since it is larger than the sum of its proper divisors (18572051).

74430925 is a wasteful number, since it uses less digits than its factorization.

74430925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22868 (or 22863 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 74430925 is about 8627.3359155651. The cubic root of 74430925 is about 420.6470091965.

The spelling of 74430925 in words is "seventy-four million, four hundred thirty thousand, nine hundred twenty-five".

Divisors: 1 5 25 131 655 3275 22727 113635 568175 2977237 14886185 74430925