9720904704 has 176 divisors, whose sum is σ = 29745628416. Its totient is φ = 2764800000.

The previous prime is 9720904703. The next prime is 9720904747. The reversal of 9720904704 is 4074090279.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720904703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5396604 + ... + 5398404.

Almost surely, 2^9720904704 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 9720904704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14872814208).

9720904704 is an abundant number, since it is smaller than the sum of its proper divisors (20024723712).

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

9720904704 is a wasteful number, since it uses less digits than its factorization.

9720904704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 9720904704 is about 98594.6484551773. The cubic root of 9720904704 is about 2134.2021933065.

The spelling of 9720904704 in words is "nine billion, seven hundred twenty million, nine hundred four thousand, seven hundred four".