76939313 has 16 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 68624400.

The previous prime is 76939271. The next prime is 76939319. The reversal of 76939313 is 31393967.

It is a cyclic number.

It is not a de Polignac number, because 76939313 - 2¹⁸ = 76677169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76939319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153938 + ... + 154436.

It is an arithmetic number, because the mean of its divisors is an integer number (5346000).

Almost surely, 2^76939313 is an apocalyptic number.

It is an amenable number.

76939313 is a deficient number, since it is larger than the sum of its proper divisors (8596687).

76939313 is a wasteful number, since it uses less digits than its factorization.

76939313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its digits is 91854, while the sum is 41.

The square root of 76939313 is about 8771.5057430295. The cubic root of 76939313 is about 425.3202900491.

The spelling of 76939313 in words is "seventy-six million, nine hundred thirty-nine thousand, three hundred thirteen".