9725684 has 12 divisors (see below), whose sum is σ = 17171364. Its totient is φ = 4819584.

The previous prime is 9725671. The next prime is 9725687. The reversal of 9725684 is 4865279.

9725684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 8352100 = 1172^2 + 2890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10307 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (1430947).

Almost surely, 2^9725684 is an apocalyptic number.

It is an amenable number.

9725684 is a deficient number, since it is larger than the sum of its proper divisors (7445680).

9725684 is a wasteful number, since it uses less digits than its factorization.

9725684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21634 (or 21632 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 9725684 is about 3118.6028923221. The cubic root of 9725684 is about 213.4551897138.

The spelling of 9725684 in words is "nine million, seven hundred twenty-five thousand, six hundred eighty-four".