274640071 has 2 divisors, whose sum is σ = 274640072. Its totient is φ = 274640070.

The previous prime is 274640039. The next prime is 274640131. The reversal of 274640071 is 170046472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274640071 - 2⁵ = 274640039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274640021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137320035 + 137320036.

It is an arithmetic number, because the mean of its divisors is an integer number (137320036).

Almost surely, 2^274640071 is an apocalyptic number.

274640071 is a deficient number, since it is larger than the sum of its proper divisors (1).

274640071 is an equidigital number, since it uses as much as digits as its factorization.

274640071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 274640071 is about 16572.2681308263. The cubic root of 274640071 is about 650.0118901178.

The spelling of 274640071 in words is "two hundred seventy-four million, six hundred forty thousand, seventy-one".