9725688 has 96 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 2654784.

The previous prime is 9725687. The next prime is 9725707. The reversal of 9725688 is 8865279.

9725688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×9725688⁵ (a number of 36 digits) contains 55555 as substring.

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 23 ways as a sum of consecutive naturals, for example, 11173 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^9725688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9725688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

9725688 is an abundant number, since it is smaller than the sum of its proper divisors (21723912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9725688 is a wasteful number, since it uses less digits than its factorization.

9725688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 874 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 9725688 is about 3118.6035336349. The cubic root of 9725688 is about 213.4552189772.

It can be divided in two parts, 97256 and 88, that added together give a square (97344 = 312²).

The spelling of 9725688 in words is "nine million, seven hundred twenty-five thousand, six hundred eighty-eight".