43706668 has 12 divisors (see below), whose sum is σ = 76541752. Its totient is φ = 21837600.

The previous prime is 43706653. The next prime is 43706681. The reversal of 43706668 is 86660734.

43706668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43706668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4171 + ... + 10237.

Almost surely, 2^43706668 is an apocalyptic number.

It is an amenable number.

43706668 is a deficient number, since it is larger than the sum of its proper divisors (32835084).

43706668 is a wasteful number, since it uses less digits than its factorization.

43706668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872 (or 7870 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 43706668 is about 6611.1018748768. The cubic root of 43706668 is about 352.2485653946.

The spelling of 43706668 in words is "forty-three million, seven hundred six thousand, six hundred sixty-eight".