764715120 has 160 divisors (see below), whose sum is σ = 2573835264. Its totient is φ = 186700800.

The previous prime is 764715089. The next prime is 764715121. The reversal of 764715120 is 21517467.

It is a super-2 number, since 2×764715120² = 1169578429513228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764715121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407785 + ... + 409655.

Almost surely, 2^764715120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764715120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286917632).

764715120 is an abundant number, since it is smaller than the sum of its proper divisors (1809120144).

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

764715120 is a wasteful number, since it uses less digits than its factorization.

764715120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 764715120 is about 27653.4829632725. The cubic root of 764715120 is about 914.4638861284.

The spelling of 764715120 in words is "seven hundred sixty-four million, seven hundred fifteen thousand, one hundred twenty".