43068609 has 6 divisors (see below), whose sum is σ = 62210226. Its totient is φ = 28712400.

The previous prime is 43068601. The next prime is 43068637. The reversal of 43068609 is 90686034.

43068609 is a `hidden beast` number, since 43 + 0 + 6 + 8 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 1272384 = 6465^2 + 1128^2 .

It is not a de Polignac number, because 43068609 - 2³ = 43068601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43068601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2392692 + ... + 2392709.

It is an arithmetic number, because the mean of its divisors is an integer number (10368371).

Almost surely, 2^43068609 is an apocalyptic number.

It is an amenable number.

43068609 is a deficient number, since it is larger than the sum of its proper divisors (19141617).

43068609 is a wasteful number, since it uses less digits than its factorization.

43068609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785407 (or 4785404 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 43068609 is about 6562.6678264255. The cubic root of 43068609 is about 350.5260362031.

The spelling of 43068609 in words is "forty-three million, sixty-eight thousand, six hundred nine".