9724035664 has 40 divisors (see below), whose sum is σ = 21826767680. Its totient is φ = 4110352128.

The previous prime is 9724035613. The next prime is 9724035667. The reversal of 9724035664 is 4665304279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9724035667) 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 7 ways as a sum of consecutive naturals, for example, 586494 + ... + 602845.

It is an arithmetic number, because the mean of its divisors is an integer number (545669192).

Almost surely, 2^9724035664 is an apocalyptic number.

It is an amenable number.

9724035664 is an abundant number, since it is smaller than the sum of its proper divisors (12102732016).

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

9724035664 is a wasteful number, since it uses less digits than its factorization.

9724035664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189427 (or 1189421 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 9724035664 is about 98610.5251177581. The cubic root of 9724035664 is about 2134.4313003917.

The spelling of 9724035664 in words is "nine billion, seven hundred twenty-four million, thirty-five thousand, six hundred sixty-four".