57138074 has 16 divisors (see below), whose sum is σ = 98448000. Its totient is φ = 24363504.

The previous prime is 57138043. The next prime is 57138079. The reversal of 57138074 is 47083175.

It is not an unprimeable number, because it can be changed into a prime (57138079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7469 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (6153000).

Almost surely, 2^57138074 is an apocalyptic number.

57138074 is a deficient number, since it is larger than the sum of its proper divisors (41309926).

57138074 is a wasteful number, since it uses less digits than its factorization.

57138074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20717.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 57138074 is about 7558.9730784016. The cubic root of 57138074 is about 385.1606098881.

The spelling of 57138074 in words is "fifty-seven million, one hundred thirty-eight thousand, seventy-four".