67989055 has 8 divisors (see below), whose sum is σ = 81835344. Its totient is φ = 54225600.

The previous prime is 67989037. The next prime is 67989067. The reversal of 67989055 is 55098976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67989055 - 2¹³ = 67980863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18886 + ... + 22195.

It is an arithmetic number, because the mean of its divisors is an integer number (10229418).

Almost surely, 2^67989055 is an apocalyptic number.

67989055 is a deficient number, since it is larger than the sum of its proper divisors (13846289).

67989055 is a wasteful number, since it uses less digits than its factorization.

67989055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41417.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 67989055 is about 8245.5475864251. The cubic root of 67989055 is about 408.1436101368.

The spelling of 67989055 in words is "sixty-seven million, nine hundred eighty-nine thousand, fifty-five".