472735817 has 2 divisors, whose sum is σ = 472735818. Its totient is φ = 472735816.

The previous prime is 472735811. The next prime is 472735819. The reversal of 472735817 is 718537274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422878096 + 49857721 = 20564^2 + 7061^2 .

It is a cyclic number.

It is not a de Polignac number, because 472735817 - 2¹⁶ = 472670281 is a prime.

Together with 472735819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472735811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236367908 + 236367909.

It is an arithmetic number, because the mean of its divisors is an integer number (236367909).

Almost surely, 2^472735817 is an apocalyptic number.

It is an amenable number.

472735817 is a deficient number, since it is larger than the sum of its proper divisors (1).

472735817 is an equidigital number, since it uses as much as digits as its factorization.

472735817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 44.

The square root of 472735817 is about 21742.4887489910. The cubic root of 472735817 is about 779.0036681594.

The spelling of 472735817 in words is "four hundred seventy-two million, seven hundred thirty-five thousand, eight hundred seventeen".