57074886 has 24 divisors (see below), whose sum is σ = 134904744. Its totient is φ = 17295360.

The previous prime is 57074869. The next prime is 57074887. The reversal of 57074886 is 68847075.

57074886 is a `hidden beast` number, since 570 + 74 + 8 + 8 + 6 = 666.

It is a super-2 number, since 2×57074886² = 6515085223825992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57074887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143931 + ... + 144326.

It is an arithmetic number, because the mean of its divisors is an integer number (5621031).

Almost surely, 2^57074886 is an apocalyptic number.

57074886 is an abundant number, since it is smaller than the sum of its proper divisors (77829858).

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

57074886 is a wasteful number, since it uses less digits than its factorization.

57074886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288276 (or 288273 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 57074886 is about 7554.7922539273. The cubic root of 57074886 is about 385.0185767165.

The spelling of 57074886 in words is "fifty-seven million, seventy-four thousand, eight hundred eighty-six".