274237087 has 2 divisors, whose sum is σ = 274237088. Its totient is φ = 274237086.

The previous prime is 274237043. The next prime is 274237091. The reversal of 274237087 is 780732472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274237087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274237037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137118543 + 137118544.

It is an arithmetic number, because the mean of its divisors is an integer number (137118544).

Almost surely, 2^274237087 is an apocalyptic number.

274237087 is a deficient number, since it is larger than the sum of its proper divisors (1).

274237087 is an equidigital number, since it uses as much as digits as its factorization.

274237087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 274237087 is about 16560.1052834817. The cubic root of 274237087 is about 649.6938100290.

The spelling of 274237087 in words is "two hundred seventy-four million, two hundred thirty-seven thousand, eighty-seven".