9388073728 has 288 divisors, whose sum is σ = 22482561024. Its totient is φ = 3870720000.

The previous prime is 9388073719. The next prime is 9388073743. The reversal of 9388073728 is 8273708839.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153902818 + ... + 153902878.

It is an arithmetic number, because the mean of its divisors is an integer number (78064448).

Almost surely, 2^9388073728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9388073728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11241280512).

9388073728 is an abundant number, since it is smaller than the sum of its proper divisors (13094487296).

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

9388073728 is a wasteful number, since it uses less digits than its factorization.

9388073728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 9388073728 is about 96892.0725756241. The cubic root of 9388073728 is about 2109.5613688079.

The spelling of 9388073728 in words is "nine billion, three hundred eighty-eight million, seventy-three thousand, seven hundred twenty-eight".