57276768 has 24 divisors (see below), whose sum is σ = 150351768. Its totient is φ = 19092224.

The previous prime is 57276767. The next prime is 57276829. The reversal of 57276768 is 86767275.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57276763) 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, 298221 + ... + 298412.

It is an arithmetic number, because the mean of its divisors is an integer number (6264657).

Almost surely, 2^57276768 is an apocalyptic number.

It is an amenable number.

57276768 is an abundant number, since it is smaller than the sum of its proper divisors (93075000).

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

57276768 is a wasteful number, since it uses less digits than its factorization.

57276768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596646 (or 596638 counting only the distinct ones).

The product of its digits is 987840, while the sum is 48.

The square root of 57276768 is about 7568.1416477230. The cubic root of 57276768 is about 385.4719977103.

The spelling of 57276768 in words is "fifty-seven million, two hundred seventy-six thousand, seven hundred sixty-eight".