43007042 has 16 divisors (see below), whose sum is σ = 73560312. Its totient is φ = 18681600.

The previous prime is 43007039. The next prime is 43007053. The reversal of 43007042 is 24070034.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20529961 + 22477081 = 4531^2 + 4741^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48209 + ... + 49092.

Almost surely, 2^43007042 is an apocalyptic number.

43007042 is a deficient number, since it is larger than the sum of its proper divisors (30553270).

43007042 is a wasteful number, since it uses less digits than its factorization.

43007042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97333.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 43007042 is about 6557.9754497863. The cubic root of 43007042 is about 350.3589297460.

Adding to 43007042 its reverse (24070034), we get a palindrome (67077076).

The spelling of 43007042 in words is "forty-three million, seven thousand, forty-two".