766504 has 8 divisors (see below), whose sum is σ = 1437210. Its totient is φ = 383248.

The previous prime is 766501. The next prime is 766511. The reversal of 766504 is 405667.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 9604 = 870^2 + 98^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (766501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47899 + ... + 47914.

2⁷⁶⁶⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

766504 is a deficient number, since it is larger than the sum of its proper divisors (670706).

766504 is a wasteful number, since it uses less digits than its factorization.

766504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95819 (or 95815 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 766504 is about 875.5021416307. The cubic root of 766504 is about 91.5176392083.

The spelling of 766504 in words is "seven hundred sixty-six thousand, five hundred four".