8691725 has 12 divisors (see below), whose sum is σ = 12317664. Its totient is φ = 5959920.

The previous prime is 8691689. The next prime is 8691731. The reversal of 8691725 is 5271968.

8691725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8691725 - 2⁸ = 8691469 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24659 + ... + 25008.

It is an arithmetic number, because the mean of its divisors is an integer number (1026472).

Almost surely, 2^8691725 is an apocalyptic number.

It is an amenable number.

8691725 is a deficient number, since it is larger than the sum of its proper divisors (3625939).

8691725 is a wasteful number, since it uses less digits than its factorization.

8691725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49684 (or 49679 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 8691725 is about 2948.1731631639. The cubic root of 8691725 is about 205.6057829807.

The spelling of 8691725 in words is "eight million, six hundred ninety-one thousand, seven hundred twenty-five".