57276772 has 12 divisors (see below), whose sum is σ = 114553600. Its totient is φ = 24547176.

The previous prime is 57276767. The next prime is 57276829. The reversal of 57276772 is 27767275.

57276772 is an admirable number.

It is a super-2 number, since 2×57276772² = 6561257221479968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 1022772 + ... + 1022827.

Almost surely, 2^57276772 is an apocalyptic number.

It is an amenable number.

57276772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57276772 is a wasteful number, since it uses less digits than its factorization.

57276772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045610 (or 2045608 counting only the distinct ones).

The product of its digits is 288120, while the sum is 43.

The square root of 57276772 is about 7568.1419119887. The cubic root of 57276772 is about 385.4720066836.

The spelling of 57276772 in words is "fifty-seven million, two hundred seventy-six thousand, seven hundred seventy-two".