67108868 has 24 divisors (see below), whose sum is σ = 119289912. Its totient is φ = 33030144.

The previous prime is 67108859. The next prime is 67108879. The reversal of 67108868 is 86880176.

67108868 is nontrivially palindromic in base 8 and base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 21977344 + 45131524 = 4688^2 + 6718^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99380 + ... + 100052.

It is an arithmetic number, because the mean of its divisors is an integer number (4970413).

Almost surely, 2^67108868 is an apocalyptic number.

It is an amenable number.

67108868 is a deficient number, since it is larger than the sum of its proper divisors (52181044).

67108868 is a wasteful number, since it uses less digits than its factorization.

67108868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 67108868 is about 8192.0002441406. Note that the first 3 decimals coincide. The cubic root of 67108868 is about 406.3746773778.

It can be divided in two parts, 67108 and 868, that added together give a palindrome (67976).

The spelling of 67108868 in words is "sixty-seven million, one hundred eight thousand, eight hundred sixty-eight".