57574721 has 8 divisors (see below), whose sum is σ = 59039904. Its totient is φ = 56115360.

The previous prime is 57574717. The next prime is 57574757. The reversal of 57574721 is 12747575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57574721 - 2² = 57574717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57574771) 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, 24101 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (7379988).

Almost surely, 2^57574721 is an apocalyptic number.

It is an amenable number.

57574721 is a deficient number, since it is larger than the sum of its proper divisors (1465183).

57574721 is a wasteful number, since it uses less digits than its factorization.

57574721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its digits is 68600, while the sum is 38.

The square root of 57574721 is about 7587.8008012862. The cubic root of 57574721 is about 386.1392488018.

The spelling of 57574721 in words is "fifty-seven million, five hundred seventy-four thousand, seven hundred twenty-one".