766925825 has 24 divisors (see below), whose sum is σ = 986480760. Its totient is φ = 590976000.

The previous prime is 766925821. The next prime is 766925839. The reversal of 766925825 is 528529667.

It can be written as a sum of positive squares in 12 ways, for example, as 56010256 + 710915569 = 7484^2 + 26663^2 .

It is not a de Polignac number, because 766925825 - 2² = 766925821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (766925821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89321 + ... + 97529.

It is an arithmetic number, because the mean of its divisors is an integer number (41103365).

Almost surely, 2^766925825 is an apocalyptic number.

It is an amenable number.

766925825 is a deficient number, since it is larger than the sum of its proper divisors (219554935).

766925825 is a wasteful number, since it uses less digits than its factorization.

766925825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357 (or 8352 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 766925825 is about 27693.4256638647. The cubic root of 766925825 is about 915.3442422563.

The spelling of 766925825 in words is "seven hundred sixty-six million, nine hundred twenty-five thousand, eight hundred twenty-five".