764128 has 12 divisors (see below), whose sum is σ = 1504440. Its totient is φ = 382048.

The previous prime is 764111. The next prime is 764131. The reversal of 764128 is 821467.

It is a junction number, because it is equal to n+sod(n) for n = 764096 and 764105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (125370).

2⁷⁶⁴¹²⁸ is an apocalyptic number.

It is an amenable number.

764128 is a deficient number, since it is larger than the sum of its proper divisors (740312).

764128 is a wasteful number, since it uses less digits than its factorization.

764128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23889 (or 23881 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 764128 is about 874.1441528718. The cubic root of 764128 is about 91.4229795687.

The spelling of 764128 in words is "seven hundred sixty-four thousand, one hundred twenty-eight".