56974666 has 16 divisors (see below), whose sum is σ = 100054080. Its totient is φ = 23821920.

The previous prime is 56974663. The next prime is 56974679. The reversal of 56974666 is 66647965.

It is a super-2 number, since 2×56974666² = 6492225131623112, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 49056 + ... + 50203.

It is an arithmetic number, because the mean of its divisors is an integer number (6253380).

Almost surely, 2^56974666 is an apocalyptic number.

56974666 is a deficient number, since it is larger than the sum of its proper divisors (43079414).

56974666 is a wasteful number, since it uses less digits than its factorization.

56974666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99309.

The product of its digits is 1632960, while the sum is 49.

The square root of 56974666 is about 7548.1564636671. The cubic root of 56974666 is about 384.7930883465.

The spelling of 56974666 in words is "fifty-six million, nine hundred seventy-four thousand, six hundred sixty-six".