2730743 has 2 divisors, whose sum is σ = 2730744. Its totient is φ = 2730742.

The previous prime is 2730713. The next prime is 2730751. The reversal of 2730743 is 3470372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2730743 - 2⁸ = 2730487 is a 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 (2730703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365371 + 1365372.

It is an arithmetic number, because the mean of its divisors is an integer number (1365372).

2^2730743 is an apocalyptic number.

2730743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730743 is an equidigital number, since it uses as much as digits as its factorization.

2730743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 2730743 is about 1652.4959909180. The cubic root of 2730743 is about 139.7741767540.

The spelling of 2730743 in words is "two million, seven hundred thirty thousand, seven hundred forty-three".