274768061 has 2 divisors, whose sum is σ = 274768062. Its totient is φ = 274768060.

The previous prime is 274768037. The next prime is 274768099. The reversal of 274768061 is 160867472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153636025 + 121132036 = 12395^2 + 11006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274768061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274768001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137384030 + 137384031.

It is an arithmetic number, because the mean of its divisors is an integer number (137384031).

Almost surely, 2^274768061 is an apocalyptic number.

It is an amenable number.

274768061 is a deficient number, since it is larger than the sum of its proper divisors (1).

274768061 is an equidigital number, since it uses as much as digits as its factorization.

274768061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 274768061 is about 16576.1292526331. The cubic root of 274768061 is about 650.1128490458.

The spelling of 274768061 in words is "two hundred seventy-four million, seven hundred sixty-eight thousand, sixty-one".