68121088 has 80 divisors (see below), whose sum is σ = 158114880. Its totient is φ = 28717056.

The previous prime is 68121041. The next prime is 68121089. The reversal of 68121088 is 88012186.

It is not an unprimeable number, because it can be changed into a prime (68121089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297358 + ... + 297586.

It is an arithmetic number, because the mean of its divisors is an integer number (1976436).

Almost surely, 2^68121088 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 68121088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79057440).

68121088 is an abundant number, since it is smaller than the sum of its proper divisors (89993792).

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

68121088 is an equidigital number, since it uses as much as digits as its factorization.

68121088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 68121088 is about 8253.5500240805. The cubic root of 68121088 is about 408.4076407691.

The spelling of 68121088 in words is "sixty-eight million, one hundred twenty-one thousand, eighty-eight".