68750660 has 96 divisors (see below), whose sum is σ = 164989440. Its totient is φ = 23846400.

The previous prime is 68750659. The next prime is 68750687. The reversal of 68750660 is 6605786.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630686 + ... + 630794.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^68750660 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 68750660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82494720).

68750660 is an abundant number, since it is smaller than the sum of its proper divisors (96238780).

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

68750660 is a wasteful number, since it uses less digits than its factorization.

68750660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 68750660 is about 8291.6017752905. The cubic root of 68750660 is about 409.6619462102.

The spelling of 68750660 in words is "sixty-eight million, seven hundred fifty thousand, six hundred sixty".