764672544 has 36 divisors (see below), whose sum is σ = 2174538366. Its totient is φ = 254890752.

The previous prime is 764672501. The next prime is 764672621. The reversal of 764672544 is 445276467.

764672544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 762422544 + 2250000 = 27612^2 + 1500^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 764672544.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327269 + ... + 1327844.

Almost surely, 2^764672544 is an apocalyptic number.

It is an amenable number.

764672544 is an abundant number, since it is smaller than the sum of its proper divisors (1409865822).

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

764672544 is a wasteful number, since it uses less digits than its factorization.

764672544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655129 (or 2655118 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 764672544 is about 27652.7131399434. The cubic root of 764672544 is about 914.4469146942.

The spelling of 764672544 in words is "seven hundred sixty-four million, six hundred seventy-two thousand, five hundred forty-four".