76690813 has 8 divisors (see below), whose sum is σ = 78598208. Its totient is φ = 74805984.

The previous prime is 76690781. The next prime is 76690837. The reversal of 76690813 is 31809667.

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

It is a cyclic number.

It is not a de Polignac number, because 76690813 - 2⁵ = 76690781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76690843) 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, 1345 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (9824776).

Almost surely, 2^76690813 is an apocalyptic number.

It is an amenable number.

76690813 is a deficient number, since it is larger than the sum of its proper divisors (1907395).

76690813 is a wasteful number, since it uses less digits than its factorization.

76690813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 76690813 is about 8757.3291019580. The cubic root of 76690813 is about 424.8618937654.

The spelling of 76690813 in words is "seventy-six million, six hundred ninety thousand, eight hundred thirteen".