9728253732 has 12 divisors (see below), whose sum is σ = 22699258736. Its totient is φ = 3242751240.

The previous prime is 9728253701. The next prime is 9728253817. The reversal of 9728253732 is 2373528279.

9728253732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405343894 + ... + 405343917.

Almost surely, 2^9728253732 is an apocalyptic number.

It is an amenable number.

9728253732 is an abundant number, since it is smaller than the sum of its proper divisors (12971005004).

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

9728253732 is a wasteful number, since it uses less digits than its factorization.

9728253732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810687818 (or 810687816 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 9728253732 is about 98631.9103130422. The cubic root of 9728253732 is about 2134.7398785445.

The spelling of 9728253732 in words is "nine billion, seven hundred twenty-eight million, two hundred fifty-three thousand, seven hundred thirty-two".