766825 has 12 divisors (see below), whose sum is σ = 977740. Its totient is φ = 596160.

The previous prime is 766817. The next prime is 766861. The reversal of 766825 is 528667.

It can be written as a sum of positive squares in 6 ways, for example, as 11664 + 755161 = 108^2 + 869^2 .

It is not a de Polignac number, because 766825 - 2³ = 766817 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511 + ... + 1339.

2⁷⁶⁶⁸²⁵ is an apocalyptic number.

It is an amenable number.

766825 is a deficient number, since it is larger than the sum of its proper divisors (210915).

766825 is a wasteful number, since it uses less digits than its factorization.

766825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 871 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 766825 is about 875.6854458080. The cubic root of 766825 is about 91.5304128152.

The spelling of 766825 in words is "seven hundred sixty-six thousand, eight hundred twenty-five".