9729625 has 16 divisors (see below), whose sum is σ = 12229776. Its totient is φ = 7728000.

The previous prime is 9729619. The next prime is 9729641. The reversal of 9729625 is 5269279.

It is a happy number.

9729625 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 8 ways, for example, as 3984016 + 5745609 = 1996^2 + 2397^2 .

It is not a de Polignac number, because 9729625 - 2⁷ = 9729497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34485 + ... + 34765.

It is an arithmetic number, because the mean of its divisors is an integer number (764361).

Almost surely, 2^9729625 is an apocalyptic number.

It is an amenable number.

9729625 is a deficient number, since it is larger than the sum of its proper divisors (2500151).

9729625 is a wasteful number, since it uses less digits than its factorization.

9729625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 563 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 9729625 is about 3119.2346817769. The cubic root of 9729625 is about 213.4840176194.

The spelling of 9729625 in words is "nine million, seven hundred twenty-nine thousand, six hundred twenty-five".