67238568 has 96 divisors (see below), whose sum is σ = 200116800. Its totient is φ = 20300544.

The previous prime is 67238543. The next prime is 67238569. The reversal of 67238568 is 86583276.

67238568 is a `hidden beast` number, since 67 + 23 + 8 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (67238569) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30396 + ... + 32532.

It is an arithmetic number, because the mean of its divisors is an integer number (2084550).

Almost surely, 2^67238568 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 67238568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100058400).

67238568 is an abundant number, since it is smaller than the sum of its proper divisors (132878232).

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

67238568 is a wasteful number, since it uses less digits than its factorization.

67238568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2184 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 67238568 is about 8199.9126824619. The cubic root of 67238568 is about 406.6363063721.

The spelling of 67238568 in words is "sixty-seven million, two hundred thirty-eight thousand, five hundred sixty-eight".