473505917 has 4 divisors (see below), whose sum is σ = 473654556. Its totient is φ = 473357280.

The previous prime is 473505889. The next prime is 473505931. The reversal of 473505917 is 719505374.

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

It can be written as a sum of positive squares in 2 ways, for example, as 268271641 + 205234276 = 16379^2 + 14326^2 .

It is a cyclic number.

It is not a de Polignac number, because 473505917 - 2⁸ = 473505661 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 (473507917) 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, 69434 + ... + 75947.

It is an arithmetic number, because the mean of its divisors is an integer number (118413639).

Almost surely, 2^473505917 is an apocalyptic number.

It is an amenable number.

473505917 is a deficient number, since it is larger than the sum of its proper divisors (148639).

473505917 is a wasteful number, since it uses less digits than its factorization.

473505917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148638.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 473505917 is about 21760.1911066976. The cubic root of 473505917 is about 779.4264449977.

The spelling of 473505917 in words is "four hundred seventy-three million, five hundred five thousand, nine hundred seventeen".