67108838 has 8 divisors (see below), whose sum is σ = 101174832. Its totient is φ = 33383896.

The previous prime is 67108837. The next prime is 67108859. The reversal of 67108838 is 83880176.

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

It is a super-2 number, since 2×67108838² = 9007192275420488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67108795 and 67108804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67108837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84770 + ... + 85557.

It is an arithmetic number, because the mean of its divisors is an integer number (12646854).

Almost surely, 2^67108838 is an apocalyptic number.

67108838 is a deficient number, since it is larger than the sum of its proper divisors (34065994).

67108838 is a wasteful number, since it uses less digits than its factorization.

67108838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170526.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 67108838 is about 8191.9984130858. The cubic root of 67108838 is about 406.3746168232.

The spelling of 67108838 in words is "sixty-seven million, one hundred eight thousand, eight hundred thirty-eight".