43070943 has 16 divisors (see below), whose sum is σ = 58496256. Its totient is φ = 28183680.

The previous prime is 43070939. The next prime is 43070953. The reversal of 43070943 is 34907034.

It is not a de Polignac number, because 43070943 - 2² = 43070939 is a prime.

It is a super-2 number, since 2×43070943² = 3710212261818498, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 43070943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43070903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91996 + ... + 92462.

It is an arithmetic number, because the mean of its divisors is an integer number (3656016).

Almost surely, 2^43070943 is an apocalyptic number.

43070943 is a deficient number, since it is larger than the sum of its proper divisors (15425313).

43070943 is a wasteful number, since it uses less digits than its factorization.

43070943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 43070943 is about 6562.8456480402. The cubic root of 43070943 is about 350.5323680614.

Adding to 43070943 its reverse (34907034), we get a palindrome (77977977).

The spelling of 43070943 in words is "forty-three million, seventy thousand, nine hundred forty-three".