9189014072 has 64 divisors (see below), whose sum is σ = 20136496320. Its totient is φ = 3849550848.

The previous prime is 9189014057. The next prime is 9189014083. The reversal of 9189014072 is 2704109819.

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, 816548 + ... + 827724.

It is an arithmetic number, because the mean of its divisors is an integer number (314632755).

Almost surely, 2^9189014072 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 9189014072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10068248160).

9189014072 is an abundant number, since it is smaller than the sum of its proper divisors (10947482248).

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

9189014072 is a wasteful number, since it uses less digits than its factorization.

9189014072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9189014072 is about 95859.3452512586. The cubic root of 9189014072 is about 2094.5447276167.

The spelling of 9189014072 in words is "nine billion, one hundred eighty-nine million, fourteen thousand, seventy-two".