43339073 has 2 divisors, whose sum is σ = 43339074. Its totient is φ = 43339072.

The previous prime is 43339027. The next prime is 43339111. The reversal of 43339073 is 37093334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26091664 + 17247409 = 5108^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 43339073 - 2¹⁴ = 43322689 is a prime.

It is not a weakly prime, because it can be changed into another prime (43339013) 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, 21669536 + 21669537.

It is an arithmetic number, because the mean of its divisors is an integer number (21669537).

Almost surely, 2^43339073 is an apocalyptic number.

It is an amenable number.

43339073 is a deficient number, since it is larger than the sum of its proper divisors (1).

43339073 is an equidigital number, since it uses as much as digits as its factorization.

43339073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 43339073 is about 6583.2418305877. The cubic root of 43339073 is about 351.2582548095.

The spelling of 43339073 in words is "forty-three million, three hundred thirty-nine thousand, seventy-three".