9725663 has 8 divisors (see below), whose sum is σ = 10456320. Its totient is φ = 9016920.

The previous prime is 9725647. The next prime is 9725671. The reversal of 9725663 is 3665279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9725663 - 2⁴ = 9725647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (1307040).

Almost surely, 2^9725663 is an apocalyptic number.

9725663 is a deficient number, since it is larger than the sum of its proper divisors (730657).

9725663 is a wasteful number, since it uses less digits than its factorization.

9725663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957.

The product of its digits is 68040, while the sum is 38.

The square root of 9725663 is about 3118.5995254280. The cubic root of 9725663 is about 213.4550360806.

The spelling of 9725663 in words is "nine million, seven hundred twenty-five thousand, six hundred sixty-three".