57722768 has 40 divisors (see below), whose sum is σ = 116242560. Its totient is φ = 27747200.

The previous prime is 57722767. The next prime is 57722807. The reversal of 57722768 is 86722775.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57722767) 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, 43718 + ... + 45018.

It is an arithmetic number, because the mean of its divisors is an integer number (2906064).

Almost surely, 2^57722768 is an apocalyptic number.

It is an amenable number.

57722768 is an abundant number, since it is smaller than the sum of its proper divisors (58519792).

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

57722768 is a wasteful number, since it uses less digits than its factorization.

57722768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1409 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The square root of 57722768 is about 7597.5501314569. The cubic root of 57722768 is about 386.4699369171.

The spelling of 57722768 in words is "fifty-seven million, seven hundred twenty-two thousand, seven hundred sixty-eight".