473523820 has 72 divisors (see below), whose sum is σ = 1249208352. Its totient is φ = 147586560.

The previous prime is 473523767. The next prime is 473523821. The reversal of 473523820 is 28325374.

It is not an unprimeable number, because it can be changed into a prime (473523821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2964 + ... + 30916.

It is an arithmetic number, because the mean of its divisors is an integer number (17350116).

Almost surely, 2^473523820 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 473523820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624604176).

473523820 is an abundant number, since it is smaller than the sum of its proper divisors (775684532).

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

473523820 is a wasteful number, since it uses less digits than its factorization.

473523820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27991 (or 27978 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 473523820 is about 21760.6024732773. The cubic root of 473523820 is about 779.4362681032.

The spelling of 473523820 in words is "four hundred seventy-three million, five hundred twenty-three thousand, eight hundred twenty".