764660315 has 16 divisors (see below), whose sum is σ = 957855360. Its totient is φ = 585429120.

The previous prime is 764660311. The next prime is 764660317. The reversal of 764660315 is 513066467.

It is a happy number.

It is not a de Polignac number, because 764660315 - 2² = 764660311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (764660311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22595 + ... + 45164.

It is an arithmetic number, because the mean of its divisors is an integer number (59865960).

Almost surely, 2^764660315 is an apocalyptic number.

764660315 is a deficient number, since it is larger than the sum of its proper divisors (193195045).

764660315 is a wasteful number, since it uses less digits than its factorization.

764660315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67862.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 764660315 is about 27652.4920215159. The cubic root of 764660315 is about 914.4420399143.

The spelling of 764660315 in words is "seven hundred sixty-four million, six hundred sixty thousand, three hundred fifteen".