274055807 has 2 divisors, whose sum is σ = 274055808. Its totient is φ = 274055806.

The previous prime is 274055729. The next prime is 274055809. The reversal of 274055807 is 708550472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274055807 is a prime.

Together with 274055809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274055809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137027903 + 137027904.

It is an arithmetic number, because the mean of its divisors is an integer number (137027904).

Almost surely, 2^274055807 is an apocalyptic number.

274055807 is a deficient number, since it is larger than the sum of its proper divisors (1).

274055807 is an equidigital number, since it uses as much as digits as its factorization.

274055807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 274055807 is about 16554.6309835043. The cubic root of 274055807 is about 649.5506219381.

The spelling of 274055807 in words is "two hundred seventy-four million, fifty-five thousand, eight hundred seven".