9720327372 has 72 divisors (see below), whose sum is σ = 26945178624. Its totient is φ = 2718138528.

The previous prime is 9720327301. The next prime is 9720327373. The reversal of 9720327372 is 2737230279.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (9720327373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148228 + ... + 203499.

It is an arithmetic number, because the mean of its divisors is an integer number (374238592).

Almost surely, 2^9720327372 is an apocalyptic number.

It is an amenable number.

9720327372 is an abundant number, since it is smaller than the sum of its proper divisors (17224851252).

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

9720327372 is a wasteful number, since it uses less digits than its factorization.

9720327372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351795 (or 351786 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 42.

The square root of 9720327372 is about 98591.7206057385. The cubic root of 9720327372 is about 2134.1599418340.

The spelling of 9720327372 in words is "nine billion, seven hundred twenty million, three hundred twenty-seven thousand, three hundred seventy-two".