68488776 has 96 divisors (see below), whose sum is σ = 194912640. Its totient is φ = 21700224.

The previous prime is 68488769. The next prime is 68488799. The reversal of 68488776 is 67788486.

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, 124935 + ... + 125481.

It is an arithmetic number, because the mean of its divisors is an integer number (2030340).

Almost surely, 2^68488776 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 68488776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97456320).

68488776 is an abundant number, since it is smaller than the sum of its proper divisors (126423864).

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

68488776 is a wasteful number, since it uses less digits than its factorization.

68488776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 636 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 68488776 is about 8275.7945842076. The cubic root of 68488776 is about 409.1411249334.

The spelling of 68488776 in words is "sixty-eight million, four hundred eighty-eight thousand, seven hundred seventy-six".