764348564 has 24 divisors (see below), whose sum is σ = 1564250688. Its totient is φ = 319959360.

The previous prime is 764348551. The next prime is 764348569. The reversal of 764348564 is 465843467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764348569) 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, 316217 + ... + 318624.

It is an arithmetic number, because the mean of its divisors is an integer number (65177112).

Almost surely, 2^764348564 is an apocalyptic number.

It is an amenable number.

764348564 is an abundant number, since it is smaller than the sum of its proper divisors (799902124).

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

764348564 is a wasteful number, since it uses less digits than its factorization.

764348564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634895 (or 634893 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 47.

The square root of 764348564 is about 27646.8545046267. The cubic root of 764348564 is about 914.3177507515.

The spelling of 764348564 in words is "seven hundred sixty-four million, three hundred forty-eight thousand, five hundred sixty-four".