473072287 has 4 divisors (see below), whose sum is σ = 474044176. Its totient is φ = 472100400.

The previous prime is 473072267. The next prime is 473072297. The reversal of 473072287 is 782270374.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473072287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473072267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485214 + ... + 486187.

It is an arithmetic number, because the mean of its divisors is an integer number (118511044).

Almost surely, 2^473072287 is an apocalyptic number.

473072287 is a deficient number, since it is larger than the sum of its proper divisors (971889).

473072287 is an equidigital number, since it uses as much as digits as its factorization.

473072287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971888.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 473072287 is about 21750.2249873421. The cubic root of 473072287 is about 779.1884431037.

It can be divided in two parts, 47307 and 2287, that added together give a palindrome (49594).

The spelling of 473072287 in words is "four hundred seventy-three million, seventy-two thousand, two hundred eighty-seven".