472774417 has 2 divisors, whose sum is σ = 472774418. Its totient is φ = 472774416.

The previous prime is 472774387. The next prime is 472774427. The reversal of 472774417 is 714477274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321090561 + 151683856 = 17919^2 + 12316^2 .

It is a cyclic number.

It is not a de Polignac number, because 472774417 - 2²³ = 464385809 is a prime.

It is not a weakly prime, because it can be changed into another prime (472774427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236387208 + 236387209.

It is an arithmetic number, because the mean of its divisors is an integer number (236387209).

Almost surely, 2^472774417 is an apocalyptic number.

It is an amenable number.

472774417 is a deficient number, since it is larger than the sum of its proper divisors (1).

472774417 is an equidigital number, since it uses as much as digits as its factorization.

472774417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307328, while the sum is 43.

The square root of 472774417 is about 21743.3763937435. The cubic root of 472774417 is about 779.0248700810.

The spelling of 472774417 in words is "four hundred seventy-two million, seven hundred seventy-four thousand, four hundred seventeen".