76624225 has 12 divisors (see below), whose sum is σ = 97583164. Its totient is φ = 59641920.

The previous prime is 76624217. The next prime is 76624243. The reversal of 76624225 is 52242667.

It can be written as a sum of positive squares in 6 ways, for example, as 6466849 + 70157376 = 2543^2 + 8376^2 .

It is not a de Polignac number, because 76624225 - 2³ = 76624217 is a prime.

It is a Duffinian number.

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, 40494 + ... + 42343.

Almost surely, 2^76624225 is an apocalyptic number.

It is an amenable number.

76624225 is a deficient number, since it is larger than the sum of its proper divisors (20958939).

76624225 is a wasteful number, since it uses less digits than its factorization.

76624225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82884 (or 82879 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 76624225 is about 8753.5264322443. The cubic root of 76624225 is about 424.7388938276.

The spelling of 76624225 in words is "seventy-six million, six hundred twenty-four thousand, two hundred twenty-five".