764968625 has 16 divisors (see below), whose sum is σ = 962217984. Its totient is φ = 607143600.

The previous prime is 764968619. The next prime is 764968637. The reversal of 764968625 is 526869467.

It is a de Polignac number, because none of the positive numbers 2^k-764968625 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

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, 8219 + ... + 39968.

It is an arithmetic number, because the mean of its divisors is an integer number (60138624).

Almost surely, 2^764968625 is an apocalyptic number.

It is an amenable number.

764968625 is a deficient number, since it is larger than the sum of its proper divisors (197249359).

764968625 is a wasteful number, since it uses less digits than its factorization.

764968625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48329 (or 48319 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 764968625 is about 27658.0661833036. The cubic root of 764968625 is about 914.5649239962.

The spelling of 764968625 in words is "seven hundred sixty-four million, nine hundred sixty-eight thousand, six hundred twenty-five".