68170224 has 80 divisors (see below), whose sum is σ = 181488384. Its totient is φ = 22041600.

The previous prime is 68170199. The next prime is 68170231. The reversal of 68170224 is 42207186.

It is a junction number, because it is equal to n+sod(n) for n = 68170191 and 68170200.

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, 282744 + ... + 282984.

Almost surely, 2^68170224 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 68170224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90744192).

68170224 is an abundant number, since it is smaller than the sum of its proper divisors (113318160).

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

68170224 is a wasteful number, since it uses less digits than its factorization.

68170224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 68170224 is about 8256.5261460253. The cubic root of 68170224 is about 408.5058124975.

The spelling of 68170224 in words is "sixty-eight million, one hundred seventy thousand, two hundred twenty-four".