764366672 has 20 divisors (see below), whose sum is σ = 1481715060. Its totient is φ = 381988608.

The previous prime is 764366651. The next prime is 764366723. The reversal of 764366672 is 276663467.

It can be written as a sum of positive squares in 2 ways, for example, as 255232576 + 509134096 = 15976^2 + 22564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23354 + ... + 45542.

It is an arithmetic number, because the mean of its divisors is an integer number (74085753).

Almost surely, 2^764366672 is an apocalyptic number.

It is an amenable number.

764366672 is a deficient number, since it is larger than the sum of its proper divisors (717348388).

764366672 is a wasteful number, since it uses less digits than its factorization.

764366672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24350 (or 24344 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 47.

The square root of 764366672 is about 27647.1819902138. The cubic root of 764366672 is about 914.3249709893.

The spelling of 764366672 in words is "seven hundred sixty-four million, three hundred sixty-six thousand, six hundred seventy-two".