472807717 has 4 divisors (see below), whose sum is σ = 473574636. Its totient is φ = 472040800.

The previous prime is 472807697. The next prime is 472807721. The reversal of 472807717 is 717708274.

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 262731681 + 210076036 = 16209^2 + 14494^2 .

It is a cyclic number.

It is not a de Polignac number, because 472807717 - 2²⁷ = 338589989 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 (472808717) 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, 382534 + ... + 383767.

It is an arithmetic number, because the mean of its divisors is an integer number (118393659).

Almost surely, 2^472807717 is an apocalyptic number.

It is an amenable number.

472807717 is a deficient number, since it is larger than the sum of its proper divisors (766919).

472807717 is an equidigital number, since it uses as much as digits as its factorization.

472807717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766918.

The product of its (nonzero) digits is 153664, while the sum is 43.

The square root of 472807717 is about 21744.1421306981. The cubic root of 472807717 is about 779.0431599307.

The spelling of 472807717 in words is "four hundred seventy-two million, eight hundred seven thousand, seven hundred seventeen".