68378560 has 112 divisors (see below), whose sum is σ = 172346112. Its totient is φ = 25804800.

The previous prime is 68378521. The next prime is 68378593. The reversal of 68378560 is 6587386.

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, 605064 + ... + 605176.

Almost surely, 2^68378560 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 68378560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86173056).

68378560 is an abundant number, since it is smaller than the sum of its proper divisors (103967552).

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

68378560 is a wasteful number, since it uses less digits than its factorization.

68378560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 68378560 is about 8269.1329654323. The cubic root of 68378560 is about 408.9215361106.

The spelling of 68378560 in words is "sixty-eight million, three hundred seventy-eight thousand, five hundred sixty".