56746720 has 24 divisors (see below), whose sum is σ = 134064504. Its totient is φ = 22698624.

The previous prime is 56746693. The next prime is 56746741. The reversal of 56746720 is 2764765.

It is a self number, because there is not a number n which added to its sum of digits gives 56746720.

It is a congruent number.

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, 177174 + ... + 177493.

It is an arithmetic number, because the mean of its divisors is an integer number (5586021).

Almost surely, 2^56746720 is an apocalyptic number.

It is an amenable number.

56746720 is an abundant number, since it is smaller than the sum of its proper divisors (77317784).

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

56746720 is a wasteful number, since it uses less digits than its factorization.

56746720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354682 (or 354674 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 56746720 is about 7533.0418822677. The cubic root of 56746720 is about 384.2792384441.

The spelling of 56746720 in words is "fifty-six million, seven hundred forty-six thousand, seven hundred twenty".