9664704 has 224 divisors, whose sum is σ = 35112960. Its totient is φ = 2543616.

The previous prime is 9664693. The next prime is 9664717. The reversal of 9664704 is 4074669.

9664704 is a `hidden beast` number, since 9 + 6 + 647 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205609 + ... + 205655.

Almost surely, 2^9664704 is an apocalyptic number.

9664704 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9664704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17556480).

9664704 is an abundant number, since it is smaller than the sum of its proper divisors (25448256).

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

9664704 is a wasteful number, since it uses less digits than its factorization.

9664704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 9664704 is about 3108.8107050768. The cubic root of 9664704 is about 213.0081329963.

The spelling of 9664704 in words is "nine million, six hundred sixty-four thousand, seven hundred four".