9443280672 has 480 divisors, whose sum is σ = 33326536320. Its totient is φ = 2566287360.

The previous prime is 9443280659. The next prime is 9443280709. The reversal of 9443280672 is 2760823449.

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, 68928988 + ... + 68929124.

It is an arithmetic number, because the mean of its divisors is an integer number (69430284).

Almost surely, 2^9443280672 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 9443280672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16663268160).

9443280672 is an abundant number, since it is smaller than the sum of its proper divisors (23883255648).

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

9443280672 is a wasteful number, since it uses less digits than its factorization.

9443280672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 9443280672 is about 97176.5438364629. The cubic root of 9443280672 is about 2113.6884096782.

The spelling of 9443280672 in words is "nine billion, four hundred forty-three million, two hundred eighty thousand, six hundred seventy-two".