67855668 has 24 divisors (see below), whose sum is σ = 160927200. Its totient is φ = 22247520.

The previous prime is 67855651. The next prime is 67855693. The reversal of 67855668 is 86655876.

It is a self number, because there is not a number n which added to its sum of digits gives 67855668.

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, 45618 + ... + 47081.

It is an arithmetic number, because the mean of its divisors is an integer number (6705300).

Almost surely, 2^67855668 is an apocalyptic number.

It is an amenable number.

67855668 is an abundant number, since it is smaller than the sum of its proper divisors (93071532).

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

67855668 is a wasteful number, since it uses less digits than its factorization.

67855668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92767 (or 92765 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 67855668 is about 8237.4551895595. The cubic root of 67855668 is about 407.8765245349.

The spelling of 67855668 in words is "sixty-seven million, eight hundred fifty-five thousand, six hundred sixty-eight".