57472686 has 32 divisors (see below), whose sum is σ = 129265920. Its totient is φ = 18925272.

The previous prime is 57472673. The next prime is 57472687. The reversal of 57472686 is 68627475.

57472686 is a `hidden beast` number, since 574 + 72 + 6 + 8 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57472687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (4039560).

Almost surely, 2^57472686 is an apocalyptic number.

57472686 is an abundant number, since it is smaller than the sum of its proper divisors (71793234).

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

57472686 is a wasteful number, since it uses less digits than its factorization.

57472686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917 (or 12911 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 57472686 is about 7581.0741982914. The cubic root of 57472686 is about 385.9110061779.

The spelling of 57472686 in words is "fifty-seven million, four hundred seventy-two thousand, six hundred eighty-six".