2742343 has 2 divisors, whose sum is σ = 2742344. Its totient is φ = 2742342.

The previous prime is 2742323. The next prime is 2742347. The reversal of 2742343 is 3432472.

2742343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2742343 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 4² + 2²¹ + 3³ + 4⁵ + 3⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371171 + 1371172.

It is an arithmetic number, because the mean of its divisors is an integer number (1371172).

2^2742343 is an apocalyptic number.

2742343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742343 is an equidigital number, since it uses as much as digits as its factorization.

2742343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 25.

The square root of 2742343 is about 1656.0021135252. The cubic root of 2742343 is about 139.9718140536.

It can be divided in two parts, 2742 and 343, that multiplied together give a triangular number (940506 = T₁₃₇₁).

The spelling of 2742343 in words is "two million, seven hundred forty-two thousand, three hundred forty-three".