274001887 has 2 divisors, whose sum is σ = 274001888. Its totient is φ = 274001886.

The previous prime is 274001881. The next prime is 274001899. The reversal of 274001887 is 788100472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274001887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274001881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137000943 + 137000944.

It is an arithmetic number, because the mean of its divisors is an integer number (137000944).

Almost surely, 2^274001887 is an apocalyptic number.

274001887 is a deficient number, since it is larger than the sum of its proper divisors (1).

274001887 is an equidigital number, since it uses as much as digits as its factorization.

274001887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 274001887 is about 16553.0023560682. The cubic root of 274001887 is about 649.5080198283.

The spelling of 274001887 in words is "two hundred seventy-four million, one thousand, eight hundred eighty-seven".