76731117 has 8 divisors (see below), whose sum is σ = 102357024. Its totient is φ = 51129648.

The previous prime is 76731113. The next prime is 76731157. The reversal of 76731117 is 71113767.

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

It is not a de Polignac number, because 76731117 - 2² = 76731113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76731113) 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, 3283 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (12794628).

Almost surely, 2^76731117 is an apocalyptic number.

It is an amenable number.

76731117 is a deficient number, since it is larger than the sum of its proper divisors (25625907).

76731117 is a wasteful number, since it uses less digits than its factorization.

76731117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12219.

The product of its digits is 6174, while the sum is 33.

The square root of 76731117 is about 8759.6299579377. The cubic root of 76731117 is about 424.9363078717.

The spelling of 76731117 in words is "seventy-six million, seven hundred thirty-one thousand, one hundred seventeen".