9272290320 has 400 divisors, whose sum is σ = 34223523840. Its totient is φ = 2320109568.

The previous prime is 9272290273. The next prime is 9272290351. The reversal of 9272290320 is 230922729.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15635944 + ... + 15636536.

Almost surely, 2^9272290320 is an apocalyptic number.

9272290320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9272290320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17111761920).

9272290320 is an abundant number, since it is smaller than the sum of its proper divisors (24951233520).

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

9272290320 is a wasteful number, since it uses less digits than its factorization.

9272290320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 9272290320 is about 96292.7324360463. The cubic root of 9272290320 is about 2100.8530411942.

The spelling of 9272290320 in words is "nine billion, two hundred seventy-two million, two hundred ninety thousand, three hundred twenty".