9728175330 has 40 divisors (see below), whose sum is σ = 26157984732. Its totient is φ = 2594179872.

The previous prime is 9728175277. The next prime is 9728175343. The reversal of 9728175330 is 335718279.

It is a happy number.

9728175330 is a `hidden beast` number, since 97 + 28 + 1 + 7 + 533 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9003542769 + 724632561 = 94887^2 + 26919^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6004237 + ... + 6005856.

Almost surely, 2^9728175330 is an apocalyptic number.

9728175330 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9728175330 is an abundant number, since it is smaller than the sum of its proper divisors (16429809402).

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

9728175330 is a wasteful number, since it uses less digits than its factorization.

9728175330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010112 (or 12010103 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 9728175330 is about 98631.5128648040. The cubic root of 9728175330 is about 2134.7341437596.

The spelling of 9728175330 in words is "nine billion, seven hundred twenty-eight million, one hundred seventy-five thousand, three hundred thirty".