43128794 has 4 divisors (see below), whose sum is σ = 64693194. Its totient is φ = 21564396.

The previous prime is 43128763. The next prime is 43128809. The reversal of 43128794 is 49782134.

43128794 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 can be written as a sum of positive squares in only one way, i.e., 41126569 + 2002225 = 6413^2 + 1415^2 .

It is an unprimeable number.

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, 10782197 + ... + 10782200.

Almost surely, 2^43128794 is an apocalyptic number.

43128794 is a deficient number, since it is larger than the sum of its proper divisors (21564400).

43128794 is a wasteful number, since it uses less digits than its factorization.

43128794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21564399.

The product of its digits is 48384, while the sum is 38.

The square root of 43128794 is about 6567.2516321518. The cubic root of 43128794 is about 350.6892377455.

The spelling of 43128794 in words is "forty-three million, one hundred twenty-eight thousand, seven hundred ninety-four".