74625864 has 16 divisors (see below), whose sum is σ = 186564720. Its totient is φ = 24875280.

The previous prime is 74625851. The next prime is 74625871. The reversal of 74625864 is 46852647.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554682 + ... + 1554729.

It is an arithmetic number, because the mean of its divisors is an integer number (11660295).

Almost surely, 2^74625864 is an apocalyptic number.

It is an amenable number.

74625864 is an abundant number, since it is smaller than the sum of its proper divisors (111938856).

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

74625864 is a wasteful number, since it uses less digits than its factorization.

74625864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109420 (or 3109416 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 74625864 is about 8638.6262796813. The cubic root of 74625864 is about 421.0139222023.

The spelling of 74625864 in words is "seventy-four million, six hundred twenty-five thousand, eight hundred sixty-four".