473521994 has 8 divisors (see below), whose sum is σ = 774854208. Its totient is φ = 215237260.

The previous prime is 473521903. The next prime is 473522033. The reversal of 473521994 is 499125374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10761842 + ... + 10761885.

It is an arithmetic number, because the mean of its divisors is an integer number (96856776).

Almost surely, 2^473521994 is an apocalyptic number.

473521994 is a deficient number, since it is larger than the sum of its proper divisors (301332214).

473521994 is a wasteful number, since it uses less digits than its factorization.

473521994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523740.

The product of its digits is 272160, while the sum is 44.

The square root of 473521994 is about 21760.5605166779. The cubic root of 473521994 is about 779.4352662160.

The spelling of 473521994 in words is "four hundred seventy-three million, five hundred twenty-one thousand, nine hundred ninety-four".