9725472 has 36 divisors (see below), whose sum is σ = 27657630. Its totient is φ = 3241728.

The previous prime is 9725467. The next prime is 9725489. The reversal of 9725472 is 2745279.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 2944656 = 2604^2 + 1716^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16597 + ... + 17172.

Almost surely, 2^9725472 is an apocalyptic number.

It is an amenable number.

9725472 is an abundant number, since it is smaller than the sum of its proper divisors (17932158).

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

9725472 is a wasteful number, since it uses less digits than its factorization.

9725472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33785 (or 33774 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 9725472 is about 3118.5689025577. The cubic root of 9725472 is about 213.4536387404.

The spelling of 9725472 in words is "nine million, seven hundred twenty-five thousand, four hundred seventy-two".