764066744 has 32 divisors (see below), whose sum is σ = 1644463200. Its totient is φ = 326021760.

The previous prime is 764066729. The next prime is 764066753. The reversal of 764066744 is 447660467.

It is a junction number, because it is equal to n+sod(n) for n = 764066695 and 764066704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16967 + ... + 42614.

It is an arithmetic number, because the mean of its divisors is an integer number (51389475).

Almost surely, 2^764066744 is an apocalyptic number.

It is an amenable number.

764066744 is an abundant number, since it is smaller than the sum of its proper divisors (880396456).

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

764066744 is a wasteful number, since it uses less digits than its factorization.

764066744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59823 (or 59819 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The square root of 764066744 is about 27641.7572523890. The cubic root of 764066744 is about 914.2053654186.

The spelling of 764066744 in words is "seven hundred sixty-four million, sixty-six thousand, seven hundred forty-four".