274673887 has 2 divisors, whose sum is σ = 274673888. Its totient is φ = 274673886.

The previous prime is 274673873. The next prime is 274673921. The reversal of 274673887 is 788376472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274673887 - 2⁷ = 274673759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274676887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137336943 + 137336944.

It is an arithmetic number, because the mean of its divisors is an integer number (137336944).

Almost surely, 2^274673887 is an apocalyptic number.

274673887 is a deficient number, since it is larger than the sum of its proper divisors (1).

274673887 is an equidigital number, since it uses as much as digits as its factorization.

274673887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 52.

The square root of 274673887 is about 16573.2883580779. The cubic root of 274673887 is about 650.0385673368.

The spelling of 274673887 in words is "two hundred seventy-four million, six hundred seventy-three thousand, eight hundred eighty-seven".