9728226732 has 24 divisors (see below), whose sum is σ = 25941938176. Its totient is φ = 2779493328.

The previous prime is 9728226731. The next prime is 9728226757. The reversal of 9728226732 is 2376228279.

It is not an unprimeable number, because it can be changed into a prime (9728226731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57906028 + ... + 57906195.

Almost surely, 2^9728226732 is an apocalyptic number.

It is an amenable number.

9728226732 is an abundant number, since it is smaller than the sum of its proper divisors (16213711444).

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

9728226732 is a wasteful number, since it uses less digits than its factorization.

9728226732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115812237 (or 115812235 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 9728226732 is about 98631.7734404081. The cubic root of 9728226732 is about 2134.7379036086.

The spelling of 9728226732 in words is "nine billion, seven hundred twenty-eight million, two hundred twenty-six thousand, seven hundred thirty-two".