763976725 has 24 divisors (see below), whose sum is σ = 982202760. Its totient is φ = 588779520.

The previous prime is 763976713. The next prime is 763976729. The reversal of 763976725 is 527679367.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 151216209 + 612760516 = 12297^2 + 24754^2 .

It is not a de Polignac number, because 763976725 - 2⁷ = 763976597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763976729) 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, 429037 + ... + 430813.

It is an arithmetic number, because the mean of its divisors is an integer number (40925115).

Almost surely, 2^763976725 is an apocalyptic number.

It is an amenable number.

763976725 is a deficient number, since it is larger than the sum of its proper divisors (218226035).

763976725 is a wasteful number, since it uses less digits than its factorization.

763976725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2404 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 52.

The square root of 763976725 is about 27640.1288889904. The cubic root of 763976725 is about 914.1694614501.

The spelling of 763976725 in words is "seven hundred sixty-three million, nine hundred seventy-six thousand, seven hundred twenty-five".