57074865 has 16 divisors (see below), whose sum is σ = 96691968. Its totient is φ = 28649216.

The previous prime is 57074863. The next prime is 57074869. The reversal of 57074865 is 56847075.

It is not a de Polignac number, because 57074865 - 2¹ = 57074863 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57074861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111657 + ... + 112166.

It is an arithmetic number, because the mean of its divisors is an integer number (6043248).

Almost surely, 2^57074865 is an apocalyptic number.

It is an amenable number.

57074865 is a deficient number, since it is larger than the sum of its proper divisors (39617103).

57074865 is a wasteful number, since it uses less digits than its factorization.

57074865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223848.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 57074865 is about 7554.7908640809. The cubic root of 57074865 is about 385.0185294955.

The spelling of 57074865 in words is "fifty-seven million, seventy-four thousand, eight hundred sixty-five".