472945820 has 24 divisors (see below), whose sum is σ = 1016285424. Its totient is φ = 184778496.

The previous prime is 472945807. The next prime is 472945859. The reversal of 472945820 is 28549274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274109 + ... + 275828.

It is an arithmetic number, because the mean of its divisors is an integer number (42345226).

Almost surely, 2^472945820 is an apocalyptic number.

It is an amenable number.

472945820 is an abundant number, since it is smaller than the sum of its proper divisors (543339604).

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

472945820 is a wasteful number, since it uses less digits than its factorization.

472945820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549989 (or 549987 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 472945820 is about 21747.3175357330. The cubic root of 472945820 is about 779.1190031119.

The spelling of 472945820 in words is "four hundred seventy-two million, nine hundred forty-five thousand, eight hundred twenty".