9272033280 has 320 divisors, whose sum is σ = 33218856000. Its totient is φ = 2453667840.

The previous prime is 9272033249. The next prime is 9272033293. The reversal of 9272033280 is 823302729.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×9272033280² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70778815 + ... + 70778945.

It is an arithmetic number, because the mean of its divisors is an integer number (103808925).

Almost surely, 2^9272033280 is an apocalyptic number.

9272033280 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 9272033280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16609428000).

9272033280 is an abundant number, since it is smaller than the sum of its proper divisors (23946822720).

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

9272033280 is an frugal number, since it uses more digits than its factorization.

9272033280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 9272033280 is about 96291.3977466316. The cubic root of 9272033280 is about 2100.8336282180.

The spelling of 9272033280 in words is "nine billion, two hundred seventy-two million, thirty-three thousand, two hundred eighty".