76931617 has 12 divisors (see below), whose sum is σ = 89711616. Its totient is φ = 65779560.

The previous prime is 76931597. The next prime is 76931629. The reversal of 76931617 is 71613967.

It is a happy number.

It is not a de Polignac number, because 76931617 - 2⁷ = 76931489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76931617.

It is not an unprimeable number, because it can be changed into a prime (76971617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20992 + ... + 24382.

It is an arithmetic number, because the mean of its divisors is an integer number (7475968).

Almost surely, 2^76931617 is an apocalyptic number.

It is an amenable number.

76931617 is a deficient number, since it is larger than the sum of its proper divisors (12779999).

76931617 is a wasteful number, since it uses less digits than its factorization.

76931617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3861 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 76931617 is about 8771.0670388499. The cubic root of 76931617 is about 425.3061084213.

The spelling of 76931617 in words is "seventy-six million, nine hundred thirty-one thousand, six hundred seventeen".