57274738 has 8 divisors (see below), whose sum is σ = 89647488. Its totient is φ = 27392244.

The previous prime is 57274709. The next prime is 57274741. The reversal of 57274738 is 83747275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×57274738² = 6560791225937288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57274694 and 57274703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622506 + ... + 622597.

It is an arithmetic number, because the mean of its divisors is an integer number (11205936).

Almost surely, 2^57274738 is an apocalyptic number.

57274738 is a deficient number, since it is larger than the sum of its proper divisors (32372750).

57274738 is a wasteful number, since it uses less digits than its factorization.

57274738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245128.

The product of its digits is 329280, while the sum is 43.

The square root of 57274738 is about 7568.0075317087. The cubic root of 57274738 is about 385.4674436975.

The spelling of 57274738 in words is "fifty-seven million, two hundred seventy-four thousand, seven hundred thirty-eight".