56974668 has 12 divisors (see below), whose sum is σ = 132940920. Its totient is φ = 18991552.

The previous prime is 56974663. The next prime is 56974679. The reversal of 56974668 is 86647965.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×56974668² = 6492225587420448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56974668.

It is not an unprimeable number, because it can be changed into a prime (56974663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373933 + ... + 2373956.

It is an arithmetic number, because the mean of its divisors is an integer number (11078410).

Almost surely, 2^56974668 is an apocalyptic number.

It is an amenable number.

56974668 is an abundant number, since it is smaller than the sum of its proper divisors (75966252).

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

56974668 is a wasteful number, since it uses less digits than its factorization.

56974668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747896 (or 4747894 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 56974668 is about 7548.1565961498. The cubic root of 56974668 is about 384.7930928490.

The spelling of 56974668 in words is "fifty-six million, nine hundred seventy-four thousand, six hundred sixty-eight".