57462740 has 24 divisors (see below), whose sum is σ = 125919360. Its totient is φ = 21985568.

The previous prime is 57462721. The next prime is 57462791. The reversal of 57462740 is 4726475.

It is a self number, because there is not a number n which added to its sum of digits gives 57462740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62000 + ... + 62919.

It is an arithmetic number, because the mean of its divisors is an integer number (5246640).

Almost surely, 2^57462740 is an apocalyptic number.

It is an amenable number.

57462740 is an abundant number, since it is smaller than the sum of its proper divisors (68456620).

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

57462740 is a wasteful number, since it uses less digits than its factorization.

57462740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124951 (or 124949 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 57462740 is about 7580.4181942687. The cubic root of 57462740 is about 385.8887434733. Note that the first 3 decimals are identical.

The spelling of 57462740 in words is "fifty-seven million, four hundred sixty-two thousand, seven hundred forty".