274140761 has 2 divisors, whose sum is σ = 274140762. Its totient is φ = 274140760.

The previous prime is 274140743. The next prime is 274140767. The reversal of 274140761 is 167041472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151905625 + 122235136 = 12325^2 + 11056^2 .

It is a cyclic number.

It is not a de Polignac number, because 274140761 - 2¹⁴ = 274124377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274140767) 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, 137070380 + 137070381.

It is an arithmetic number, because the mean of its divisors is an integer number (137070381).

Almost surely, 2^274140761 is an apocalyptic number.

It is an amenable number.

274140761 is a deficient number, since it is larger than the sum of its proper divisors (1).

274140761 is an equidigital number, since it uses as much as digits as its factorization.

274140761 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 32.

The square root of 274140761 is about 16557.1966528154. The cubic root of 274140761 is about 649.6177326277.

The spelling of 274140761 in words is "two hundred seventy-four million, one hundred forty thousand, seven hundred sixty-one".