56942730 has 64 divisors (see below), whose sum is σ = 163537920. Its totient is φ = 14015808.

The previous prime is 56942693. The next prime is 56942749. The reversal of 56942730 is 3724965.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4602 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^56942730 is an apocalyptic number.

56942730 is an abundant number, since it is smaller than the sum of its proper divisors (106595190).

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

56942730 is a wasteful number, since it uses less digits than its factorization.

56942730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252 (or 16246 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56942730 is about 7546.0406836963. The cubic root of 56942730 is about 384.7211789073.

The spelling of 56942730 in words is "fifty-six million, nine hundred forty-two thousand, seven hundred thirty".