67989606 has 16 divisors (see below), whose sum is σ = 136153200. Its totient is φ = 22634208.

The previous prime is 67989599. The next prime is 67989611. The reversal of 67989606 is 60698976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1861 + ... + 11808.

It is an arithmetic number, because the mean of its divisors is an integer number (8509575).

Almost surely, 2^67989606 is an apocalyptic number.

67989606 is an abundant number, since it is smaller than the sum of its proper divisors (68163594).

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

67989606 is a wasteful number, since it uses less digits than its factorization.

67989606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14503.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 67989606 is about 8245.5809983287. The cubic root of 67989606 is about 408.1447126991.

The spelling of 67989606 in words is "sixty-seven million, nine hundred eighty-nine thousand, six hundred six".