9149073232 has 60 divisors (see below), whose sum is σ = 19220124000. Its totient is φ = 4217076864.

The previous prime is 9149073221. The next prime is 9149073233. The reversal of 9149073232 is 2323709419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9149073233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2613019 + ... + 2616517.

It is an arithmetic number, because the mean of its divisors is an integer number (320335400).

Almost surely, 2^9149073232 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 9149073232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9610062000).

9149073232 is an abundant number, since it is smaller than the sum of its proper divisors (10071050768).

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

9149073232 is a wasteful number, since it uses less digits than its factorization.

9149073232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 9149073232 is about 95650.7879319350. The cubic root of 9149073232 is about 2091.5056138285.

The spelling of 9149073232 in words is "nine billion, one hundred forty-nine million, seventy-three thousand, two hundred thirty-two".