472751717 has 4 divisors (see below), whose sum is σ = 472801836. Its totient is φ = 472701600.

The previous prime is 472751693. The next prime is 472751731. The reversal of 472751717 is 717157274.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 199543876 + 273207841 = 14126^2 + 16529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472751717 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 (472751777) 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, 6158 + ... + 31359.

It is an arithmetic number, because the mean of its divisors is an integer number (118200459).

Almost surely, 2^472751717 is an apocalyptic number.

It is an amenable number.

472751717 is a deficient number, since it is larger than the sum of its proper divisors (50119).

472751717 is a wasteful number, since it uses less digits than its factorization.

472751717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50118.

The product of its digits is 96040, while the sum is 41.

The square root of 472751717 is about 21742.8543894310. The cubic root of 472751717 is about 779.0124017332.

The spelling of 472751717 in words is "four hundred seventy-two million, seven hundred fifty-one thousand, seven hundred seventeen".