43073099 has 4 divisors (see below), whose sum is σ = 43592136. Its totient is φ = 42554064.

The previous prime is 43073077. The next prime is 43073101. The reversal of 43073099 is 99037034.

43073099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43073099 - 2¹² = 43069003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43073029) 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 in 3 ways as a sum of consecutive naturals, for example, 259394 + ... + 259559.

It is an arithmetic number, because the mean of its divisors is an integer number (10898034).

Almost surely, 2^43073099 is an apocalyptic number.

43073099 is a deficient number, since it is larger than the sum of its proper divisors (519037).

43073099 is an equidigital number, since it uses as much as digits as its factorization.

43073099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519036.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 43073099 is about 6563.0099039998. The cubic root of 43073099 is about 350.5382168241.

The spelling of 43073099 in words is "forty-three million, seventy-three thousand, ninety-nine".