764251464 has 32 divisors (see below), whose sum is σ = 1915417440. Its totient is φ = 254112000.

The previous prime is 764251447. The next prime is 764251483. The reversal of 764251464 is 464152467.

It is a super-2 number, since 2×764251464² = 1168160600452286592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30082 + ... + 49329.

It is an arithmetic number, because the mean of its divisors is an integer number (59856795).

Almost surely, 2^764251464 is an apocalyptic number.

It is an amenable number.

764251464 is an abundant number, since it is smaller than the sum of its proper divisors (1151165976).

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

764251464 is a wasteful number, since it uses less digits than its factorization.

764251464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79821 (or 79817 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 764251464 is about 27645.0983720442. The cubic root of 764251464 is about 914.2790319359.

The spelling of 764251464 in words is "seven hundred sixty-four million, two hundred fifty-one thousand, four hundred sixty-four".