42673843 has 2 divisors, whose sum is σ = 42673844. Its totient is φ = 42673842.

The previous prime is 42673801. The next prime is 42673849. The reversal of 42673843 is 34837624.

It is a happy number.

42673843 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 not a de Polignac number, because 42673843 - 2⁹ = 42673331 is a prime.

It is not a weakly prime, because it can be changed into another prime (42673849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21336921 + 21336922.

It is an arithmetic number, because the mean of its divisors is an integer number (21336922).

Almost surely, 2^42673843 is an apocalyptic number.

42673843 is a deficient number, since it is larger than the sum of its proper divisors (1).

42673843 is an equidigital number, since it uses as much as digits as its factorization.

42673843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 42673843 is about 6532.5219479157. The cubic root of 42673843 is about 349.4517757482.

The spelling of 42673843 in words is "forty-two million, six hundred seventy-three thousand, eight hundred forty-three".