2730443 has 2 divisors, whose sum is σ = 2730444. Its totient is φ = 2730442.

The previous prime is 2730439. The next prime is 2730487. The reversal of 2730443 is 3440372.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2730443 - 2² = 2730439 is a prime.

It is not a weakly prime, because it can be changed into another prime (2730493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365221 + 1365222.

It is an arithmetic number, because the mean of its divisors is an integer number (1365222).

2^2730443 is an apocalyptic number.

2730443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730443 is an equidigital number, since it uses as much as digits as its factorization.

2730443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 2730443 is about 1652.4052166463. The cubic root of 2730443 is about 139.7690580264.

The spelling of 2730443 in words is "two million, seven hundred thirty thousand, four hundred forty-three".