8630725 has 6 divisors (see below), whose sum is σ = 10702130. Its totient is φ = 6904560.

The previous prime is 8630683. The next prime is 8630737. The reversal of 8630725 is 5270368.

It can be written as a sum of positive squares in 3 ways, for example, as 1437601 + 7193124 = 1199^2 + 2682^2 .

It is not a de Polignac number, because 8630725 - 2¹¹ = 8628677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172590 + ... + 172639.

Almost surely, 2^8630725 is an apocalyptic number.

It is an amenable number.

8630725 is a deficient number, since it is larger than the sum of its proper divisors (2071405).

8630725 is a wasteful number, since it uses less digits than its factorization.

8630725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345239 (or 345234 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 8630725 is about 2937.8095581572. The cubic root of 8630725 is about 205.1236612609.

The spelling of 8630725 in words is "eight million, six hundred thirty thousand, seven hundred twenty-five".