473072018 has 4 divisors (see below), whose sum is σ = 709608030. Its totient is φ = 236536008.

The previous prime is 473072009. The next prime is 473072071. The reversal of 473072018 is 810270374.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 302168689 + 170903329 = 17383^2 + 13073^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118268003 + ... + 118268006.

Almost surely, 2^473072018 is an apocalyptic number.

473072018 is a deficient number, since it is larger than the sum of its proper divisors (236536012).

473072018 is a wasteful number, since it uses less digits than its factorization.

473072018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236536011.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 473072018 is about 21750.2188034971. The cubic root of 473072018 is about 779.1882954154.

The spelling of 473072018 in words is "four hundred seventy-three million, seventy-two thousand, eighteen".