67938108 has 72 divisors (see below), whose sum is σ = 188762112. Its totient is φ = 18952416.

The previous prime is 67938083. The next prime is 67938109. The reversal of 67938108 is 80183976.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 67938108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67938109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23941 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (2621696).

Almost surely, 2^67938108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67938108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94381056).

67938108 is an abundant number, since it is smaller than the sum of its proper divisors (120824004).

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

67938108 is a wasteful number, since it uses less digits than its factorization.

67938108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2742 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 67938108 is about 8242.4576432033. The cubic root of 67938108 is about 408.0416383879.

The spelling of 67938108 in words is "sixty-seven million, nine hundred thirty-eight thousand, one hundred eight".