56744870 has 64 divisors (see below), whose sum is σ = 126959616. Its totient is φ = 17781120.

The previous prime is 56744869. The next prime is 56744881. The reversal of 56744870 is 7844765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115325 + ... + 115815.

It is an arithmetic number, because the mean of its divisors is an integer number (1983744).

Almost surely, 2^56744870 is an apocalyptic number.

56744870 is an abundant number, since it is smaller than the sum of its proper divisors (70214746).

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

56744870 is a wasteful number, since it uses less digits than its factorization.

56744870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 56744870 is about 7532.9190889057. The cubic root of 56744870 is about 384.2750624359.

The spelling of 56744870 in words is "fifty-six million, seven hundred forty-four thousand, eight hundred seventy".