43073090 has 8 divisors (see below), whose sum is σ = 77531580. Its totient is φ = 17229232.

The previous prime is 43073077. The next prime is 43073101. The reversal of 43073090 is 9037034.

It can be written as a sum of positive squares in 2 ways, for example, as 43072969 + 121 = 6563^2 + 11^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2153645 + ... + 2153664.

Almost surely, 2^43073090 is an apocalyptic number.

43073090 is a deficient number, since it is larger than the sum of its proper divisors (34458490).

43073090 is a wasteful number, since it uses less digits than its factorization.

43073090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307316.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 43073090 is about 6563.0092183388. The cubic root of 43073090 is about 350.5381924095.

The spelling of 43073090 in words is "forty-three million, seventy-three thousand, ninety".