764415472 has 40 divisors (see below), whose sum is σ = 1604669616. Its totient is φ = 351353856.

The previous prime is 764415451. The next prime is 764415493. The reversal of 764415472 is 274514467.

It is an interprime number because it is at equal distance from previous prime (764415451) and next prime (764415493).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20983 + ... + 44374.

Almost surely, 2^764415472 is an apocalyptic number.

It is an amenable number.

764415472 is an abundant number, since it is smaller than the sum of its proper divisors (840254144).

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

764415472 is a wasteful number, since it uses less digits than its factorization.

764415472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65425 (or 65419 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 764415472 is about 27648.0645253877. The cubic root of 764415472 is about 914.3444285396.

The spelling of 764415472 in words is "seven hundred sixty-four million, four hundred fifteen thousand, four hundred seventy-two".