43065642 has 16 divisors (see below), whose sum is σ = 86198112. Its totient is φ = 14344080.

The previous prime is 43065613. The next prime is 43065643. The reversal of 43065642 is 24656034.

It is not an unprimeable number, because it can be changed into a prime (43065643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392 + ... + 13932.

It is an arithmetic number, because the mean of its divisors is an integer number (5387382).

Almost surely, 2^43065642 is an apocalyptic number.

43065642 is an abundant number, since it is smaller than the sum of its proper divisors (43132470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43065642 is a wasteful number, since it uses less digits than its factorization.

43065642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 43065642 is about 6562.4417711702. The cubic root of 43065642 is about 350.5179867625.

The spelling of 43065642 in words is "forty-three million, sixty-five thousand, six hundred forty-two".