57706072 has 16 divisors (see below), whose sum is σ = 108655200. Its totient is φ = 28731360.

The previous prime is 57706069. The next prime is 57706073. The reversal of 57706072 is 27060775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57706073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13179 + ... + 17002.

It is an arithmetic number, because the mean of its divisors is an integer number (6790950).

Almost surely, 2^57706072 is an apocalyptic number.

It is an amenable number.

57706072 is a deficient number, since it is larger than the sum of its proper divisors (50949128).

57706072 is a wasteful number, since it uses less digits than its factorization.

57706072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30426 (or 30422 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 57706072 is about 7596.4512767476. The cubic root of 57706072 is about 386.4326718741.

It can be divided in two parts, 5 and 7706072, that added together give a palindrome (7706077).

The spelling of 57706072 in words is "fifty-seven million, seven hundred six thousand, seventy-two".