6172138 has 12 divisors (see below), whose sum is σ = 10769922. Its totient is φ = 2645160.

The previous prime is 6172123. The next prime is 6172147. The reversal of 6172138 is 8312716.

It can be written as a sum of positive squares in only one way, i.e., 4739329 + 1432809 = 2177^2 + 1197^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31393 + ... + 31588.

Almost surely, 2^6172138 is an apocalyptic number.

6172138 is a deficient number, since it is larger than the sum of its proper divisors (4597784).

6172138 is a wasteful number, since it uses less digits than its factorization.

6172138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62997 (or 62990 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 6172138 is about 2484.3787955946. The cubic root of 6172138 is about 183.4334534861.

The spelling of 6172138 in words is "six million, one hundred seventy-two thousand, one hundred thirty-eight".