57274066 has 4 divisors (see below), whose sum is σ = 85911102. Its totient is φ = 28637032.

The previous prime is 57274057. The next prime is 57274069. The reversal of 57274066 is 66047275.

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., 51538041 + 5736025 = 7179^2 + 2395^2 .

It is not an unprimeable number, because it can be changed into a prime (57274069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14318515 + ... + 14318518.

Almost surely, 2^57274066 is an apocalyptic number.

57274066 is a deficient number, since it is larger than the sum of its proper divisors (28637036).

57274066 is a wasteful number, since it uses less digits than its factorization.

57274066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28637035.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 57274066 is about 7567.9631341597. The cubic root of 57274066 is about 385.4659361385.

The spelling of 57274066 in words is "fifty-seven million, two hundred seventy-four thousand, sixty-six".