472021000 has 192 divisors, whose sum is σ = 1254839040. Its totient is φ = 165968000.

The previous prime is 472020959. The next prime is 472021003. The reversal of 472021000 is 120274.

It is not an unprimeable number, because it can be changed into a prime (472021003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5686959 + ... + 5687041.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^472021000 is an apocalyptic number.

472021000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627419520).

472021000 is an abundant number, since it is smaller than the sum of its proper divisors (782818040).

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

472021000 is a wasteful number, since it uses less digits than its factorization.

472021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 472021000 is about 21726.0442786992. The cubic root of 472021000 is about 778.6108300267.

Adding to 472021000 its reverse (120274), we get a palindrome (472141274).

The spelling of 472021000 in words is "four hundred seventy-two million, twenty-one thousand".