43070642 has 16 divisors (see below), whose sum is σ = 66096000. Its totient is φ = 21044400.

The previous prime is 43070641. The next prime is 43070669. The reversal of 43070642 is 24607034.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43070641) 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, 14609 + ... + 17307.

It is an arithmetic number, because the mean of its divisors is an integer number (4131000).

Almost surely, 2^43070642 is an apocalyptic number.

43070642 is a deficient number, since it is larger than the sum of its proper divisors (23025358).

43070642 is a wasteful number, since it uses less digits than its factorization.

43070642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 43070642 is about 6562.8227158746. The cubic root of 43070642 is about 350.5315514979.

Adding to 43070642 its reverse (24607034), we get a palindrome (67677676).

The spelling of 43070642 in words is "forty-three million, seventy thousand, six hundred forty-two".