764685416 has 32 divisors (see below), whose sum is σ = 1632139200. Its totient is φ = 332471040.

The previous prime is 764685413. The next prime is 764685421. The reversal of 764685416 is 614586467.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (764685413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186881 + ... + 190928.

It is an arithmetic number, because the mean of its divisors is an integer number (51004350).

Almost surely, 2^764685416 is an apocalyptic number.

It is an amenable number.

764685416 is an abundant number, since it is smaller than the sum of its proper divisors (867453784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764685416 is a wasteful number, since it uses less digits than its factorization.

764685416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377849 (or 377845 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 764685416 is about 27652.9458828531. The cubic root of 764685416 is about 914.4520457335.

The spelling of 764685416 in words is "seven hundred sixty-four million, six hundred eighty-five thousand, four hundred sixteen".