57372690 has 16 divisors (see below), whose sum is σ = 137694528. Its totient is φ = 15299376.

The previous prime is 57372677. The next prime is 57372691. The reversal of 57372690 is 9627375.

It is a super-2 number, since 2×57372690² = 6583251115672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57372691) 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, 956182 + ... + 956241.

It is an arithmetic number, because the mean of its divisors is an integer number (8605908).

Almost surely, 2^57372690 is an apocalyptic number.

57372690 is an abundant number, since it is smaller than the sum of its proper divisors (80321838).

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

57372690 is a wasteful number, since it uses less digits than its factorization.

57372690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912433.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 57372690 is about 7574.4762195151. The cubic root of 57372690 is about 385.6870623546.

The spelling of 57372690 in words is "fifty-seven million, three hundred seventy-two thousand, six hundred ninety".