57303740 has 24 divisors (see below), whose sum is σ = 129595200. Its totient is φ = 21158208.

The previous prime is 57303737. The next prime is 57303749. The reversal of 57303740 is 4730375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57303749) 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, 109940 + ... + 110459.

It is an arithmetic number, because the mean of its divisors is an integer number (5399800).

Almost surely, 2^57303740 is an apocalyptic number.

It is an amenable number.

57303740 is an abundant number, since it is smaller than the sum of its proper divisors (72291460).

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

57303740 is a wasteful number, since it uses less digits than its factorization.

57303740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220421 (or 220419 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 57303740 is about 7569.9233813824. The cubic root of 57303740 is about 385.5324952995.

The spelling of 57303740 in words is "fifty-seven million, three hundred three thousand, seven hundred forty".