43168073 has 8 divisors (see below), whose sum is σ = 46573128. Its totient is φ = 39775104.

The previous prime is 43168067. The next prime is 43168091. The reversal of 43168073 is 37086134.

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 36156169 = 2648^2 + 6013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43168073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43168003) 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 in 7 ways as a sum of consecutive naturals, for example, 5261 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (5821641).

Almost surely, 2^43168073 is an apocalyptic number.

It is an amenable number.

43168073 is a deficient number, since it is larger than the sum of its proper divisors (3405055).

43168073 is a wasteful number, since it uses less digits than its factorization.

43168073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 43168073 is about 6570.2414719704. The cubic root of 43168073 is about 350.7956673616.

The spelling of 43168073 in words is "forty-three million, one hundred sixty-eight thousand, seventy-three".