472556717 has 2 divisors, whose sum is σ = 472556718. Its totient is φ = 472556716.

The previous prime is 472556699. The next prime is 472556767. The reversal of 472556717 is 717655274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472236361 + 320356 = 21731^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 472556717 - 2¹⁰ = 472555693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472556767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236278358 + 236278359.

It is an arithmetic number, because the mean of its divisors is an integer number (236278359).

Almost surely, 2^472556717 is an apocalyptic number.

It is an amenable number.

472556717 is a deficient number, since it is larger than the sum of its proper divisors (1).

472556717 is an equidigital number, since it uses as much as digits as its factorization.

472556717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 44.

The square root of 472556717 is about 21738.3696950806. The cubic root of 472556717 is about 778.9052783364.

The spelling of 472556717 in words is "four hundred seventy-two million, five hundred fifty-six thousand, seven hundred seventeen".