67868055 has 36 divisors (see below), whose sum is σ = 123018168. Its totient is φ = 34610400.

The previous prime is 67868041. The next prime is 67868069. The reversal of 67868055 is 55086876.

It is an interprime number because it is at equal distance from previous prime (67868041) and next prime (67868069).

It is not a de Polignac number, because 67868055 - 2⁵ = 67868023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 67868055.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 22380 + ... + 25230.

Almost surely, 2^67868055 is an apocalyptic number.

67868055 is a deficient number, since it is larger than the sum of its proper divisors (55150113).

67868055 is a wasteful number, since it uses less digits than its factorization.

67868055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 67868055 is about 8238.2070258036. The cubic root of 67868055 is about 407.9013422068.

It can be divided in two parts, 6786 and 8055, that added together give a palindrome (14841).

The spelling of 67868055 in words is "sixty-seven million, eight hundred sixty-eight thousand, fifty-five".