9720764 has 12 divisors (see below), whose sum is σ = 17045784. Its totient is φ = 4850544.

The previous prime is 9720757. The next prime is 9720769. The reversal of 9720764 is 4670279.

9720764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (1420482).

Almost surely, 2^9720764 is an apocalyptic number.

It is an amenable number.

9720764 is a deficient number, since it is larger than the sum of its proper divisors (7325020).

9720764 is a wasteful number, since it uses less digits than its factorization.

9720764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 9720764 is about 3117.8139777735. The cubic root of 9720764 is about 213.4191896177.

The spelling of 9720764 in words is "nine million, seven hundred twenty thousand, seven hundred sixty-four".