68361760 has 96 divisors (see below), whose sum is σ = 175461552. Its totient is φ = 25067520.

The previous prime is 68361757. The next prime is 68361803. The reversal of 68361760 is 6716386.

It can be written as a sum of positive squares in 8 ways, for example, as 3139984 + 65221776 = 1772^2 + 8076^2 .

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, 111214 + ... + 111826.

Almost surely, 2^68361760 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 68361760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87730776).

68361760 is an abundant number, since it is smaller than the sum of its proper divisors (107099792).

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

68361760 is a wasteful number, since it uses less digits than its factorization.

68361760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 68361760 is about 8268.1170770617. The cubic root of 68361760 is about 408.8880439141. Note that the first 3 decimals are identical.

The spelling of 68361760 in words is "sixty-eight million, three hundred sixty-one thousand, seven hundred sixty".