9724172000 has 96 divisors (see below), whose sum is σ = 23930393760. Its totient is φ = 3883468800.

The previous prime is 9724171981. The next prime is 9724172071. The reversal of 9724172000 is 2714279.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 3146456 + ... + 3149544.

It is an arithmetic number, because the mean of its divisors is an integer number (249274935).

Almost surely, 2^9724172000 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 9724172000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11965196880).

9724172000 is an abundant number, since it is smaller than the sum of its proper divisors (14206221760).

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

9724172000 is a wasteful number, since it uses less digits than its factorization.

9724172000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 9724172000 is about 98611.2164005698. The cubic root of 9724172000 is about 2134.4412756213.

Adding to 9724172000 its reverse (2714279), we get a palindrome (9726886279).

The spelling of 9724172000 in words is "nine billion, seven hundred twenty-four million, one hundred seventy-two thousand".