274061761 has 2 divisors, whose sum is σ = 274061762. Its totient is φ = 274061760.

The previous prime is 274061759. The next prime is 274061771. The reversal of 274061761 is 167160472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245235600 + 28826161 = 15660^2 + 5369^2 .

It is a cyclic number.

It is not a de Polignac number, because 274061761 - 2¹ = 274061759 is a prime.

It is a super-2 number, since 2×274061761² = 150219697684842242, which contains 22 as substring.

Together with 274061759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (274061741) 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, 137030880 + 137030881.

It is an arithmetic number, because the mean of its divisors is an integer number (137030881).

Almost surely, 2^274061761 is an apocalyptic number.

It is an amenable number.

274061761 is a deficient number, since it is larger than the sum of its proper divisors (1).

274061761 is an equidigital number, since it uses as much as digits as its factorization.

274061761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 274061761 is about 16554.8108113624. The cubic root of 274061761 is about 649.5553258418. Note that the first 3 decimals are identical.

The spelling of 274061761 in words is "two hundred seventy-four million, sixty-one thousand, seven hundred sixty-one".