68368152 has 48 divisors (see below), whose sum is σ = 181584360. Its totient is φ = 21446656.

The previous prime is 68368147. The next prime is 68368159. The reversal of 68368152 is 25186386.

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 68368152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68368159) 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 11 ways as a sum of consecutive naturals, for example, 2008 + ... + 11864.

Almost surely, 2^68368152 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 68368152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90792180).

68368152 is an abundant number, since it is smaller than the sum of its proper divisors (113216208).

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

68368152 is a wasteful number, since it uses less digits than its factorization.

68368152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900 (or 9879 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 68368152 is about 8268.5036131092. The cubic root of 68368152 is about 408.9007875441.

The spelling of 68368152 in words is "sixty-eight million, three hundred sixty-eight thousand, one hundred fifty-two".