9031372272 has 240 divisors, whose sum is σ = 27801970560. Its totient is φ = 2720120832.

The previous prime is 9031372253. The next prime is 9031372283. The reversal of 9031372272 is 2722731309.

9031372272 is a `hidden beast` number, since 9 + 0 + 313 + 72 + 272 = 666.

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 47 ways as a sum of consecutive naturals, for example, 25584448 + ... + 25584800.

It is an arithmetic number, because the mean of its divisors is an integer number (115841544).

Almost surely, 2^9031372272 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 9031372272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13900985280).

9031372272 is an abundant number, since it is smaller than the sum of its proper divisors (18770598288).

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

9031372272 is a wasteful number, since it uses less digits than its factorization.

9031372272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 9031372272 is about 95033.5323556901. The cubic root of 9031372272 is about 2082.4979444435.

The spelling of 9031372272 in words is "nine billion, thirty-one million, three hundred seventy-two thousand, two hundred seventy-two".