43734043 has 2 divisors, whose sum is σ = 43734044. Its totient is φ = 43734042.

The previous prime is 43734023. The next prime is 43734071. The reversal of 43734043 is 34043734.

43734043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (43734071) can be obtained adding 43734043 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43734043 is a prime.

It is not a weakly prime, because it can be changed into another prime (43734023) 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, 21867021 + 21867022.

It is an arithmetic number, because the mean of its divisors is an integer number (21867022).

Almost surely, 2^43734043 is an apocalyptic number.

43734043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43734043 is an equidigital number, since it uses as much as digits as its factorization.

43734043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 43734043 is about 6613.1719318342. The cubic root of 43734043 is about 352.3220918716.

Adding to 43734043 its reverse (34043734), we get a palindrome (77777777).

The spelling of 43734043 in words is "forty-three million, seven hundred thirty-four thousand, forty-three".