57200072 has 8 divisors (see below), whose sum is σ = 107250150. Its totient is φ = 28600032.

The previous prime is 57200063. The next prime is 57200119. The reversal of 57200072 is 27000275.

57200072 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 only one way, i.e., 54081316 + 3118756 = 7354^2 + 1766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3574997 + ... + 3575012.

Almost surely, 2^57200072 is an apocalyptic number.

It is an amenable number.

57200072 is a deficient number, since it is larger than the sum of its proper divisors (50050078).

57200072 is a wasteful number, since it uses less digits than its factorization.

57200072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150015 (or 7150011 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 57200072 is about 7563.0729204471. The cubic root of 57200072 is about 385.2998664543.

The spelling of 57200072 in words is "fifty-seven million, two hundred thousand, seventy-two".