473087666 has 8 divisors (see below), whose sum is σ = 712157724. Its totient is φ = 235701760.

The previous prime is 473087651. The next prime is 473087723. The reversal of 473087666 is 666780374.

It can be written as a sum of positive squares in 2 ways, for example, as 446265625 + 26822041 = 21125^2 + 5179^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 473087666.

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, 420335 + ... + 421458.

Almost surely, 2^473087666 is an apocalyptic number.

473087666 is a deficient number, since it is larger than the sum of its proper divisors (239070058).

473087666 is a wasteful number, since it uses less digits than its factorization.

473087666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842076.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 473087666 is about 21750.5785210417. The cubic root of 473087666 is about 779.1968864992.

The spelling of 473087666 in words is "four hundred seventy-three million, eighty-seven thousand, six hundred sixty-six".