2744743 has 2 divisors, whose sum is σ = 2744744. Its totient is φ = 2744742.

The previous prime is 2744723. The next prime is 2744747. The reversal of 2744743 is 3474472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2744743 - 2¹⁷ = 2613671 is a prime.

It is a super-2 number, since 2×2744743² = 15067228272098, which contains 22 as substring.

It is a nialpdrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2744747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372371 + 1372372.

It is an arithmetic number, because the mean of its divisors is an integer number (1372372).

2^2744743 is an apocalyptic number.

2744743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2744743 is an equidigital number, since it uses as much as digits as its factorization.

2744743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 31.

The square root of 2744743 is about 1656.7265918069. The cubic root of 2744743 is about 140.0126349141.

The spelling of 2744743 in words is "two million, seven hundred forty-four thousand, seven hundred forty-three".