76636925 has 6 divisors (see below), whose sum is σ = 95029818. Its totient is φ = 61309520.

The previous prime is 76636891. The next prime is 76636927. The reversal of 76636925 is 52963667.

It can be written as a sum of positive squares in 3 ways, for example, as 964324 + 75672601 = 982^2 + 8699^2 .

It is not a de Polignac number, because 76636925 - 2²² = 72442621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76636927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1532714 + ... + 1532763.

It is an arithmetic number, because the mean of its divisors is an integer number (15838303).

Almost surely, 2^76636925 is an apocalyptic number.

It is an amenable number.

76636925 is a deficient number, since it is larger than the sum of its proper divisors (18392893).

76636925 is a wasteful number, since it uses less digits than its factorization.

76636925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065487 (or 3065482 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 76636925 is about 8754.2518241138. The cubic root of 76636925 is about 424.7623584955.

The spelling of 76636925 in words is "seventy-six million, six hundred thirty-six thousand, nine hundred twenty-five".