7685725 has 12 divisors (see below), whose sum is σ = 9859860. Its totient is φ = 5936000.

The previous prime is 7685719. The next prime is 7685729. The reversal of 7685725 is 5275867.

It can be written as a sum of positive squares in 6 ways, for example, as 34969 + 7650756 = 187^2 + 2766^2 .

It is not a de Polignac number, because 7685725 - 2⁵ = 7685693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4576 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (821655).

Almost surely, 2^7685725 is an apocalyptic number.

It is an amenable number.

7685725 is a deficient number, since it is larger than the sum of its proper divisors (2174135).

7685725 is a wasteful number, since it uses less digits than its factorization.

7685725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640 (or 10635 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 7685725 is about 2772.3140154030. The cubic root of 7685725 is about 197.3459782980.

The spelling of 7685725 in words is "seven million, six hundred eighty-five thousand, seven hundred twenty-five".