8684725 has 12 divisors (see below), whose sum is σ = 12307744. Its totient is φ = 5955120.

The previous prime is 8684713. The next prime is 8684747. The reversal of 8684725 is 5274868.

It is not a de Polignac number, because 8684725 - 2⁵ = 8684693 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

8684725 is a lucky number.

It is a congruent 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, 24639 + ... + 24988.

Almost surely, 2^8684725 is an apocalyptic number.

It is an amenable number.

8684725 is a deficient number, since it is larger than the sum of its proper divisors (3623019).

8684725 is a wasteful number, since it uses less digits than its factorization.

8684725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49644 (or 49639 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 8684725 is about 2946.9857481841. The cubic root of 8684725 is about 205.5505723436.

It can be divided in two parts, 8684 and 725, that added together give a square (9409 = 97²).

The spelling of 8684725 in words is "eight million, six hundred eighty-four thousand, seven hundred twenty-five".