57722748 has 12 divisors (see below), whose sum is σ = 134686440. Its totient is φ = 19240912.

The previous prime is 57722737. The next prime is 57722767. The reversal of 57722748 is 84722775.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405103 + ... + 2405126.

It is an arithmetic number, because the mean of its divisors is an integer number (11223870).

Almost surely, 2^57722748 is an apocalyptic number.

It is an amenable number.

57722748 is an abundant number, since it is smaller than the sum of its proper divisors (76963692).

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

57722748 is a wasteful number, since it uses less digits than its factorization.

57722748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810236 (or 4810234 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 57722748 is about 7597.5488152430. The cubic root of 57722748 is about 386.4698922819.

It can be divided in two parts, 577227 and 48, that added together give a triangular number (577275 = T₁₀₇₄).

The spelling of 57722748 in words is "fifty-seven million, seven hundred twenty-two thousand, seven hundred forty-eight".