9720235330 has 16 divisors (see below), whose sum is σ = 18842302584. Its totient is φ = 3589009920.

The previous prime is 9720235241. The next prime is 9720235379. The reversal of 9720235330 is 335320279.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4795424001 + 4924811329 = 69249^2 + 70177^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37385391 + ... + 37385650.

Almost surely, 2^9720235330 is an apocalyptic number.

9720235330 is a deficient number, since it is larger than the sum of its proper divisors (9122067254).

9720235330 is a wasteful number, since it uses less digits than its factorization.

9720235330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74771061.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 9720235330 is about 98591.2538210160. The cubic root of 9720235330 is about 2134.1532056765.

The spelling of 9720235330 in words is "nine billion, seven hundred twenty million, two hundred thirty-five thousand, three hundred thirty".