274668673 has 2 divisors, whose sum is σ = 274668674. Its totient is φ = 274668672.

The previous prime is 274668671. The next prime is 274668689. The reversal of 274668673 is 376866472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260919409 + 13749264 = 16153^2 + 3708^2 .

It is a cyclic number.

It is not a de Polignac number, because 274668673 - 2¹ = 274668671 is a prime.

Together with 274668671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (274668671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137334336 + 137334337.

It is an arithmetic number, because the mean of its divisors is an integer number (137334337).

Almost surely, 2^274668673 is an apocalyptic number.

It is an amenable number.

274668673 is a deficient number, since it is larger than the sum of its proper divisors (1).

274668673 is an equidigital number, since it uses as much as digits as its factorization.

274668673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The square root of 274668673 is about 16573.1310560196. The cubic root of 274668673 is about 650.0344541895.

The spelling of 274668673 in words is "two hundred seventy-four million, six hundred sixty-eight thousand, six hundred seventy-three".