68346320 has 120 divisors (see below), whose sum is σ = 189130752. Its totient is φ = 22498560.

The previous prime is 68346281. The next prime is 68346347. The reversal of 68346320 is 2364386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538097 + ... + 538223.

Almost surely, 2^68346320 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 68346320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94565376).

68346320 is an abundant number, since it is smaller than the sum of its proper divisors (120784432).

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

68346320 is a wasteful number, since it uses less digits than its factorization.

68346320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 68346320 is about 8267.1833171885. The cubic root of 68346320 is about 408.8572581514.

The spelling of 68346320 in words is "sixty-eight million, three hundred forty-six thousand, three hundred twenty".