57724972 has 6 divisors (see below), whose sum is σ = 101018708. Its totient is φ = 28862484.

The previous prime is 57724967. The next prime is 57724973. The reversal of 57724972 is 27942775.

It is not an unprimeable number, because it can be changed into a prime (57724973) by changing a digit.

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 as a sum of consecutive naturals, namely, 7215618 + ... + 7215625.

Almost surely, 2^57724972 is an apocalyptic number.

It is an amenable number.

57724972 is a deficient number, since it is larger than the sum of its proper divisors (43293736).

57724972 is a wasteful number, since it uses less digits than its factorization.

57724972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431247 (or 14431245 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 57724972 is about 7597.6951768283. The cubic root of 57724972 is about 386.4748556515.

The spelling of 57724972 in words is "fifty-seven million, seven hundred twenty-four thousand, nine hundred seventy-two".