68238192 has 120 divisors (see below), whose sum is σ = 200542720. Its totient is φ = 19958400.

The previous prime is 68238173. The next prime is 68238197. The reversal of 68238192 is 29183286.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68238192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68238197) 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, 179859 + ... + 180237.

Almost surely, 2^68238192 is an apocalyptic number.

68238192 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68238192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100271360).

68238192 is an abundant number, since it is smaller than the sum of its proper divisors (132304528).

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

68238192 is a wasteful number, since it uses less digits than its factorization.

68238192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 426 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 68238192 is about 8260.6411373452. The cubic root of 68238192 is about 408.6415320677.

The spelling of 68238192 in words is "sixty-eight million, two hundred thirty-eight thousand, one hundred ninety-two".