2745719 has 2 divisors, whose sum is σ = 2745720. Its totient is φ = 2745718.

The previous prime is 2745697. The next prime is 2745731. The reversal of 2745719 is 9175472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2745719 is a prime.

It is a super-4 number, since 4×2745719⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372859 + 1372860.

It is an arithmetic number, because the mean of its divisors is an integer number (1372860).

2^2745719 is an apocalyptic number.

2745719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745719 is an equidigital number, since it uses as much as digits as its factorization.

2745719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 2745719 is about 1657.0211223759. The cubic root of 2745719 is about 140.0292285912.

The spelling of 2745719 in words is "two million, seven hundred forty-five thousand, seven hundred nineteen".