57704013 has 6 divisors (see below), whose sum is σ = 83350254. Its totient is φ = 38469336.

The previous prime is 57703981. The next prime is 57704021. The reversal of 57704013 is 31040775.

It can be written as a sum of positive squares in only one way, i.e., 55621764 + 2082249 = 7458^2 + 1443^2 .

It is not a de Polignac number, because 57704013 - 2⁵ = 57703981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57704063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3205770 + ... + 3205787.

It is an arithmetic number, because the mean of its divisors is an integer number (13891709).

Almost surely, 2^57704013 is an apocalyptic number.

It is an amenable number.

57704013 is a deficient number, since it is larger than the sum of its proper divisors (25646241).

57704013 is a wasteful number, since it uses less digits than its factorization.

57704013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411563 (or 6411560 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 57704013 is about 7596.3157517312. The cubic root of 57704013 is about 386.4280757412.

Adding to 57704013 its reverse (31040775), we get a palindrome (88744788).

The spelling of 57704013 in words is "fifty-seven million, seven hundred four thousand, thirteen".