764965344 has 192 divisors, whose sum is σ = 2386395648. Its totient is φ = 211507200.

The previous prime is 764965297. The next prime is 764965351. The reversal of 764965344 is 443569467.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 764965293 and 764965302.

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, 1413714 + ... + 1414254.

It is an arithmetic number, because the mean of its divisors is an integer number (12429144).

Almost surely, 2^764965344 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 764965344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193197824).

764965344 is an abundant number, since it is smaller than the sum of its proper divisors (1621430304).

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

764965344 is a wasteful number, since it uses less digits than its factorization.

764965344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 673 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The square root of 764965344 is about 27658.0068696210. The cubic root of 764965344 is about 914.5636164516.

The spelling of 764965344 in words is "seven hundred sixty-four million, nine hundred sixty-five thousand, three hundred forty-four".