9722748816 has 315 divisors, whose sum is σ = 31423399147. Its totient is φ = 2910790080.

The previous prime is 9722748809. The next prime is 9722748869. The reversal of 9722748816 is 6188472279.

It is a happy number.

The square root of 9722748816 is 98604.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 117141511 + ... + 117141593.

Almost surely, 2^9722748816 is an apocalyptic number.

9722748816 is the 98604-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9722748816

9722748816 is an abundant number, since it is smaller than the sum of its proper divisors (21700650331).

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

9722748816 is an equidigital number, since it uses as much as digits as its factorization.

9722748816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 99 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The cubic root of 9722748816 is about 2134.3371416179.

The spelling of 9722748816 in words is "nine billion, seven hundred twenty-two million, seven hundred forty-eight thousand, eight hundred sixteen".