274672217 has 2 divisors, whose sum is σ = 274672218. Its totient is φ = 274672216.

The previous prime is 274672207. The next prime is 274672219. The reversal of 274672217 is 712276472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273869401 + 802816 = 16549^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 274672217 - 2¹⁶ = 274606681 is a prime.

Together with 274672219, 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 (274672219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137336108 + 137336109.

It is an arithmetic number, because the mean of its divisors is an integer number (137336109).

Almost surely, 2^274672217 is an apocalyptic number.

It is an amenable number.

274672217 is a deficient number, since it is larger than the sum of its proper divisors (1).

274672217 is an equidigital number, since it uses as much as digits as its factorization.

274672217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 274672217 is about 16573.2379757246. The cubic root of 274672217 is about 650.0372499363.

The spelling of 274672217 in words is "two hundred seventy-four million, six hundred seventy-two thousand, two hundred seventeen".