2774279 has 2 divisors, whose sum is σ = 2774280. Its totient is φ = 2774278.

The previous prime is 2774273. The next prime is 2774287. The reversal of 2774279 is 9724772.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2774279 is a prime.

It is a Sophie Germain 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 (2774273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387139 + 1387140.

It is an arithmetic number, because the mean of its divisors is an integer number (1387140).

2^2774279 is an apocalyptic number.

2774279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774279 is an equidigital number, since it uses as much as digits as its factorization.

2774279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 38.

The square root of 2774279 is about 1665.6167026060. The cubic root of 2774279 is about 140.5130664173.

The spelling of 2774279 in words is "two million, seven hundred seventy-four thousand, two hundred seventy-nine".