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74495912 = 239311989
BaseRepresentation
bin1000111000010…
…11011110101000
312012011210011212
410130023132220
5123032332122
611220412252
71563130151
oct434133650
9165153155
1074495912
1139061977
1220b47088
131258402a
149c72928
156817ce2
hex470b7a8

74495912 has 8 divisors (see below), whose sum is σ = 139679850. Its totient is φ = 37247952.

The previous prime is 74495891. The next prime is 74495917. The reversal of 74495912 is 21959447.

It can be written as a sum of positive squares in only one way, i.e., 71132356 + 3363556 = 8434^2 + 1834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 74495912.

It is not an unprimeable number, because it can be changed into a prime (74495917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655987 + ... + 4656002.

Almost surely, 274495912 is an apocalyptic number.

It is an amenable number.

74495912 is a deficient number, since it is larger than the sum of its proper divisors (65183938).

74495912 is a wasteful number, since it uses less digits than its factorization.

74495912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311995 (or 9311991 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 74495912 is about 8631.1014360857. The cubic root of 74495912 is about 420.7693984455.

The spelling of 74495912 in words is "seventy-four million, four hundred ninety-five thousand, nine hundred twelve".

Divisors: 1 2 4 8 9311989 18623978 37247956 74495912