764449268 has 96 divisors (see below), whose sum is σ = 1642032000. Its totient is φ = 307745280.

The previous prime is 764449247. The next prime is 764449271. The reversal of 764449268 is 862944467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5130458 + ... + 5130606.

It is an arithmetic number, because the mean of its divisors is an integer number (17104500).

Almost surely, 2^764449268 is an apocalyptic number.

It is an amenable number.

764449268 is an abundant number, since it is smaller than the sum of its proper divisors (877582732).

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

764449268 is a wasteful number, since it uses less digits than its factorization.

764449268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 198 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 764449268 is about 27648.6757006552. The cubic root of 764449268 is about 914.3579032054.

The spelling of 764449268 in words is "seven hundred sixty-four million, four hundred forty-nine thousand, two hundred sixty-eight".