68179956 has 48 divisors (see below), whose sum is σ = 173699904. Its totient is φ = 20687616.

The previous prime is 68179913. The next prime is 68179967. The reversal of 68179956 is 65997186.

It is a junction number, because it is equal to n+sod(n) for n = 68179899 and 68179908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8395 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (3618748).

Almost surely, 2^68179956 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 68179956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86849952).

68179956 is an abundant number, since it is smaller than the sum of its proper divisors (105519948).

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

68179956 is a wasteful number, since it uses less digits than its factorization.

68179956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080 (or 6078 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 68179956 is about 8257.1154769689. The cubic root of 68179956 is about 408.5252510400.

The spelling of 68179956 in words is "sixty-eight million, one hundred seventy-nine thousand, nine hundred fifty-six".