9706644720 has 240 divisors, whose sum is σ = 34446982752. Its totient is φ = 2539330560.

The previous prime is 9706644697. The next prime is 9706644733. The reversal of 9706644720 is 274466079.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1025610 + ... + 1035030.

Almost surely, 2^9706644720 is an apocalyptic number.

9706644720 is a gapful number since it is divisible by the number (90) 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 9706644720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17223491376).

9706644720 is an abundant number, since it is smaller than the sum of its proper divisors (24740338032).

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

9706644720 is a wasteful number, since it uses less digits than its factorization.

9706644720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502 (or 9484 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 9706644720 is about 98522.3056977454. The cubic root of 9706644720 is about 2133.1581004070.

The spelling of 9706644720 in words is "nine billion, seven hundred six million, six hundred forty-four thousand, seven hundred twenty".