57630772 has 12 divisors (see below), whose sum is σ = 104331780. Its totient is φ = 27821696.

The previous prime is 57630763. The next prime is 57630773. The reversal of 57630772 is 27703675.

57630772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16208676 + 41422096 = 4026^2 + 6436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57630773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248293 + ... + 248524.

It is an arithmetic number, because the mean of its divisors is an integer number (8694315).

Almost surely, 2^57630772 is an apocalyptic number.

It is an amenable number.

57630772 is a deficient number, since it is larger than the sum of its proper divisors (46701008).

57630772 is a wasteful number, since it uses less digits than its factorization.

57630772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496850 (or 496848 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 57630772 is about 7591.4933972177. The cubic root of 57630772 is about 386.2645148381.

The spelling of 57630772 in words is "fifty-seven million, six hundred thirty thousand, seven hundred seventy-two".