74855656 has 16 divisors (see below), whose sum is σ = 140501700. Its totient is φ = 37388544.

The previous prime is 74855633. The next prime is 74855681. The reversal of 74855656 is 65655847.

It can be written as a sum of positive squares in 2 ways, for example, as 72080100 + 2775556 = 8490^2 + 1666^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4176 + ... + 12928.

Almost surely, 2^74855656 is an apocalyptic number.

It is an amenable number.

74855656 is a deficient number, since it is larger than the sum of its proper divisors (65646044).

74855656 is a wasteful number, since it uses less digits than its factorization.

74855656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9828 (or 9824 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 74855656 is about 8651.9163195214. The cubic root of 74855656 is about 421.4456156935.

The spelling of 74855656 in words is "seventy-four million, eight hundred fifty-five thousand, six hundred fifty-six".