57672725 has 12 divisors (see below), whose sum is σ = 78015840. Its totient is φ = 41943600.

The previous prime is 57672689. The next prime is 57672731. The reversal of 57672725 is 52727675.

It is not a de Polignac number, because 57672725 - 2⁸ = 57672469 is a prime.

It is a super-2 number, since 2×57672725² = 6652286417851250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104585 + ... + 105134.

It is an arithmetic number, because the mean of its divisors is an integer number (6501320).

Almost surely, 2^57672725 is an apocalyptic number.

57672725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57672725 is a deficient number, since it is larger than the sum of its proper divisors (20343115).

57672725 is a wasteful number, since it uses less digits than its factorization.

57672725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209740 (or 209735 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 57672725 is about 7594.2560530970. The cubic root of 57672725 is about 386.3582207063.

The spelling of 57672725 in words is "fifty-seven million, six hundred seventy-two thousand, seven hundred twenty-five".