472774441 has 2 divisors, whose sum is σ = 472774442. Its totient is φ = 472774440.

The previous prime is 472774439. The next prime is 472774447. The reversal of 472774441 is 144477274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322956841 + 149817600 = 17971^2 + 12240^2 .

It is a cyclic number.

It is not a de Polignac number, because 472774441 - 2¹ = 472774439 is a prime.

Together with 472774439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 472774394 and 472774403.

It is not a weakly prime, because it can be changed into another prime (472774447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236387220 + 236387221.

It is an arithmetic number, because the mean of its divisors is an integer number (236387221).

Almost surely, 2^472774441 is an apocalyptic number.

It is an amenable number.

472774441 is a deficient number, since it is larger than the sum of its proper divisors (1).

472774441 is an equidigital number, since it uses as much as digits as its factorization.

472774441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 175616, while the sum is 40.

The square root of 472774441 is about 21743.3769456357. The cubic root of 472774441 is about 779.0248832632.

The spelling of 472774441 in words is "four hundred seventy-two million, seven hundred seventy-four thousand, four hundred forty-one".