764089428 has 24 divisors (see below), whose sum is σ = 1784180160. Its totient is φ = 254510080.

The previous prime is 764089423. The next prime is 764089483. The reversal of 764089428 is 824980467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764089421) by changing a digit.

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, 5688 + ... + 39503.

It is an arithmetic number, because the mean of its divisors is an integer number (74340840).

Almost surely, 2^764089428 is an apocalyptic number.

It is an amenable number.

764089428 is an abundant number, since it is smaller than the sum of its proper divisors (1020090732).

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

764089428 is a wasteful number, since it uses less digits than its factorization.

764089428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46607 (or 46605 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 764089428 is about 27642.1675705796. The cubic root of 764089428 is about 914.2144124595.

The spelling of 764089428 in words is "seven hundred sixty-four million, eighty-nine thousand, four hundred twenty-eight".