9720753 has 32 divisors (see below), whose sum is σ = 15941376. Its totient is φ = 5142528.

The previous prime is 9720727. The next prime is 9720757. The reversal of 9720753 is 3570279.

It is not a de Polignac number, because 9720753 - 2⁸ = 9720497 is a prime.

It is a super-3 number, since 3×9720753³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9720757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25875 + ... + 26247.

It is an arithmetic number, because the mean of its divisors is an integer number (498168).

Almost surely, 2^9720753 is an apocalyptic number.

It is an amenable number.

9720753 is a deficient number, since it is larger than the sum of its proper divisors (6220623).

9720753 is a wasteful number, since it uses less digits than its factorization.

9720753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 9720753 is about 3117.8122137165. The cubic root of 9720753 is about 213.4191091161.

The spelling of 9720753 in words is "nine million, seven hundred twenty thousand, seven hundred fifty-three".