68210880 has 112 divisors (see below), whose sum is σ = 221979744. Its totient is φ = 17735680.

The previous prime is 68210843. The next prime is 68210887. The reversal of 68210880 is 8801286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68210887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38494 + ... + 40226.

It is an arithmetic number, because the mean of its divisors is an integer number (1981962).

Almost surely, 2^68210880 is an apocalyptic number.

68210880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68210880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110989872).

68210880 is an abundant number, since it is smaller than the sum of its proper divisors (153768864).

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

68210880 is a wasteful number, since it uses less digits than its factorization.

68210880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 68210880 is about 8258.9878314476. The cubic root of 68210880 is about 408.5870058728.

The spelling of 68210880 in words is "sixty-eight million, two hundred ten thousand, eight hundred eighty".