472273328 has 80 divisors (see below), whose sum is σ = 1004560704. Its totient is φ = 214179840.

The previous prime is 472273289. The next prime is 472273337. The reversal of 472273328 is 823372274.

It is a happy number.

Its product of digits (112896) is a multiple of the sum of its prime divisors (504).

It is a junction number, because it is equal to n+sod(n) for n = 472273291 and 472273300.

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, 1680548 + ... + 1680828.

Almost surely, 2^472273328 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 472273328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502280352).

472273328 is an abundant number, since it is smaller than the sum of its proper divisors (532287376).

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

472273328 is a wasteful number, since it uses less digits than its factorization.

472273328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 504 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 472273328 is about 21731.8505424642. The cubic root of 472273328 is about 778.7495458294.

The spelling of 472273328 in words is "four hundred seventy-two million, two hundred seventy-three thousand, three hundred twenty-eight".