274940761 has 2 divisors, whose sum is σ = 274940762. Its totient is φ = 274940760.

The previous prime is 274940759. The next prime is 274940789. The reversal of 274940761 is 167049472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139358025 + 135582736 = 11805^2 + 11644^2 .

It is a cyclic number.

It is not a de Polignac number, because 274940761 - 2¹ = 274940759 is a prime.

Together with 274940759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (274940161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137470380 + 137470381.

It is an arithmetic number, because the mean of its divisors is an integer number (137470381).

Almost surely, 2^274940761 is an apocalyptic number.

It is an amenable number.

274940761 is a deficient number, since it is larger than the sum of its proper divisors (1).

274940761 is an equidigital number, since it uses as much as digits as its factorization.

274940761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 274940761 is about 16581.3377325233. The cubic root of 274940761 is about 650.2490256865.

The spelling of 274940761 in words is "two hundred seventy-four million, nine hundred forty thousand, seven hundred sixty-one".