57418720 has 24 divisors (see below), whose sum is σ = 135652104. Its totient is φ = 22967424.

The previous prime is 57418687. The next prime is 57418723. The reversal of 57418720 is 2781475.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57418723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179274 + ... + 179593.

It is an arithmetic number, because the mean of its divisors is an integer number (5652171).

Almost surely, 2^57418720 is an apocalyptic number.

It is an amenable number.

57418720 is an abundant number, since it is smaller than the sum of its proper divisors (78233384).

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

57418720 is a wasteful number, since it uses less digits than its factorization.

57418720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358882 (or 358874 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 57418720 is about 7577.5141042429. The cubic root of 57418720 is about 385.7901801145.

The spelling of 57418720 in words is "fifty-seven million, four hundred eighteen thousand, seven hundred twenty".