43086073 has 2 divisors, whose sum is σ = 43086074. Its totient is φ = 43086072.

The previous prime is 43086059. The next prime is 43086077. The reversal of 43086073 is 37068034.

43086073 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 can be written as a sum of positive squares in only one way, i.e., 42029289 + 1056784 = 6483^2 + 1028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43086073 is a prime.

It is a super-2 number, since 2×43086073² = 3712819373122658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43086077) 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, 21543036 + 21543037.

It is an arithmetic number, because the mean of its divisors is an integer number (21543037).

Almost surely, 2^43086073 is an apocalyptic number.

It is an amenable number.

43086073 is a deficient number, since it is larger than the sum of its proper divisors (1).

43086073 is an equidigital number, since it uses as much as digits as its factorization.

43086073 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 31.

The square root of 43086073 is about 6563.9982480193. The cubic root of 43086073 is about 350.5734083659.

The spelling of 43086073 in words is "forty-three million, eighty-six thousand, seventy-three".