766925 has 6 divisors (see below), whose sum is σ = 951018. Its totient is φ = 613520.

The previous prime is 766907. The next prime is 766937. The reversal of 766925 is 529667.

766925 = 163² + 164² + ... + 187².

It can be written as a sum of positive squares in 3 ways, for example, as 104329 + 662596 = 323^2 + 814^2 .

It is not a de Polignac number, because 766925 - 2⁶ = 766861 is a prime.

It is a d-powerful number, because it can be written as 7⁵ + 6⁷ + 9⁵ + 6⁷ + 2¹⁷ + 5³ .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 766925.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 15314 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (158503).

2⁷⁶⁶⁹²⁵ is an apocalyptic number.

It is an amenable number.

766925 is a deficient number, since it is larger than the sum of its proper divisors (184093).

766925 is a wasteful number, since it uses less digits than its factorization.

766925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30687 (or 30682 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 766925 is about 875.7425420750. The cubic root of 766925 is about 91.5343914037.

The spelling of 766925 in words is "seven hundred sixty-six thousand, nine hundred twenty-five".