76973138 has 16 divisors (see below), whose sum is σ = 126113760. Its totient is φ = 34944000.

The previous prime is 76973137. The next prime is 76973147. The reversal of 76973138 is 83137967.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76973131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21458 + ... + 24786.

It is an arithmetic number, because the mean of its divisors is an integer number (7882110).

Almost surely, 2^76973138 is an apocalyptic number.

76973138 is a deficient number, since it is larger than the sum of its proper divisors (49140622).

76973138 is a wasteful number, since it uses less digits than its factorization.

76973138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its digits is 190512, while the sum is 44.

The square root of 76973138 is about 8773.4336493758. The cubic root of 76973138 is about 425.3826090835.

The spelling of 76973138 in words is "seventy-six million, nine hundred seventy-three thousand, one hundred thirty-eight".