57721714 has 4 divisors (see below), whose sum is σ = 86582574. Its totient is φ = 28860856.

The previous prime is 57721691. The next prime is 57721759. The reversal of 57721714 is 41712775.

57721714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 19492225 = 6183^2 + 4415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57721714.

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, 14430427 + ... + 14430430.

Almost surely, 2^57721714 is an apocalyptic number.

57721714 is a deficient number, since it is larger than the sum of its proper divisors (28860860).

57721714 is a wasteful number, since it uses less digits than its factorization.

57721714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860859.

The product of its digits is 13720, while the sum is 34.

The square root of 57721714 is about 7597.4807666752. The cubic root of 57721714 is about 386.4675846287.

The spelling of 57721714 in words is "fifty-seven million, seven hundred twenty-one thousand, seven hundred fourteen".