9724772 has 12 divisors (see below), whose sum is σ = 17043180. Its totient is φ = 4855296.

The previous prime is 9724769. The next prime is 9724801. The reversal of 9724772 is 2774279.

It can be written as a sum of positive squares in 2 ways, for example, as 4778596 + 4946176 = 2186^2 + 2224^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (1420265).

Almost surely, 2^9724772 is an apocalyptic number.

It is an amenable number.

9724772 is a deficient number, since it is larger than the sum of its proper divisors (7318408).

9724772 is a wasteful number, since it uses less digits than its factorization.

9724772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3548 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 9724772 is about 3118.4566695723. The cubic root of 9724772 is about 213.4485174421.

The spelling of 9724772 in words is "nine million, seven hundred twenty-four thousand, seven hundred seventy-two".