9664768 has 36 divisors (see below), whose sum is σ = 20317360. Its totient is φ = 4575744.

The previous prime is 9664757. The next prime is 9664771. The reversal of 9664768 is 8674669.

It is a d-powerful number, because it can be written as 9⁷ + 6⁴ + 6⁷ + 4⁴ + 7⁷ + 6⁸ + 8⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871 + ... + 5857.

Almost surely, 2^9664768 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 9664768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10158680).

9664768 is an abundant number, since it is smaller than the sum of its proper divisors (10652592).

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

9664768 is a wasteful number, since it uses less digits than its factorization.

9664768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2008 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 9664768 is about 3108.8209983851. The cubic root of 9664768 is about 213.0086031777.

Subtracting from 9664768 its reverse (8674669), we obtain a palindrome (990099).

The spelling of 9664768 in words is "nine million, six hundred sixty-four thousand, seven hundred sixty-eight".