57273668 has 6 divisors (see below), whose sum is σ = 100228926. Its totient is φ = 28636832.

The previous prime is 57273617. The next prime is 57273691. The reversal of 57273668 is 86637275.

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 1800964 = 7448^2 + 1342^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7159205 + ... + 7159212.

It is an arithmetic number, because the mean of its divisors is an integer number (16704821).

Almost surely, 2^57273668 is an apocalyptic number.

It is an amenable number.

57273668 is a deficient number, since it is larger than the sum of its proper divisors (42955258).

57273668 is a wasteful number, since it uses less digits than its factorization.

57273668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318421 (or 14318419 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 57273668 is about 7567.9368390599. The cubic root of 57273668 is about 385.4650432632.

The spelling of 57273668 in words is "fifty-seven million, two hundred seventy-three thousand, six hundred sixty-eight".