9720168 has 32 divisors (see below), whose sum is σ = 25358400. Its totient is φ = 3099008.

The previous prime is 9720163. The next prime is 9720197. The reversal of 9720168 is 8610279.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9720163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8253 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (792450).

Almost surely, 2^9720168 is an apocalyptic number.

It is an amenable number.

9720168 is an abundant number, since it is smaller than the sum of its proper divisors (15638232).

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

9720168 is a wasteful number, since it uses less digits than its factorization.

9720168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17641 (or 17637 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 9720168 is about 3117.7183965201. The cubic root of 9720168 is about 213.4148278057.

The spelling of 9720168 in words is "nine million, seven hundred twenty thousand, one hundred sixty-eight".