764425316 has 6 divisors (see below), whose sum is σ = 1337744310. Its totient is φ = 382212656.

The previous prime is 764425313. The next prime is 764425331. The reversal of 764425316 is 613524467.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 396169216 + 368256100 = 19904^2 + 19190^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 764425316.

It is not an unprimeable number, because it can be changed into a prime (764425313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95553161 + ... + 95553168.

It is an arithmetic number, because the mean of its divisors is an integer number (222957385).

Almost surely, 2^764425316 is an apocalyptic number.

It is an amenable number.

764425316 is a deficient number, since it is larger than the sum of its proper divisors (573318994).

764425316 is a wasteful number, since it uses less digits than its factorization.

764425316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191106333 (or 191106331 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 764425316 is about 27648.2425481259. The cubic root of 764425316 is about 914.3483534418.

The spelling of 764425316 in words is "seven hundred sixty-four million, four hundred twenty-five thousand, three hundred sixteen".