67889916 has 36 divisors (see below), whose sum is σ = 174034224. Its totient is φ = 22310400.

The previous prime is 67889903. The next prime is 67889971. The reversal of 67889916 is 61998876.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10725 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (4834284).

Almost surely, 2^67889916 is an apocalyptic number.

It is an amenable number.

67889916 is an abundant number, since it is smaller than the sum of its proper divisors (106144308).

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

67889916 is a wasteful number, since it uses less digits than its factorization.

67889916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26642 (or 26637 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 67889916 is about 8239.5337246716. The cubic root of 67889916 is about 407.9451339140.

The spelling of 67889916 in words is "sixty-seven million, eight hundred eighty-nine thousand, nine hundred sixteen".