57000744 has 24 divisors (see below), whose sum is σ = 154377210. Its totient is φ = 19000224.

The previous prime is 57000737. The next prime is 57000751. The reversal of 57000744 is 44700075.

It is an interprime number because it is at equal distance from previous prime (57000737) and next prime (57000751).

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 7128900 = 7062^2 + 2670^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395767 + ... + 395910.

Almost surely, 2^57000744 is an apocalyptic number.

It is an amenable number.

57000744 is an abundant number, since it is smaller than the sum of its proper divisors (97376466).

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

57000744 is a wasteful number, since it uses less digits than its factorization.

57000744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791689 (or 791682 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 57000744 is about 7549.8837077136. The cubic root of 57000744 is about 384.8517875560.

The spelling of 57000744 in words is "fifty-seven million, seven hundred forty-four", and thus it is an aban number.