68841280 has 56 divisors (see below), whose sum is σ = 167774112. Its totient is φ = 26890752.

The previous prime is 68841271. The next prime is 68841287. The reversal of 68841280 is 8214886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68841287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11259 + ... + 16261.

Almost surely, 2^68841280 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 68841280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83887056).

68841280 is an abundant number, since it is smaller than the sum of its proper divisors (98932832).

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

68841280 is a wasteful number, since it uses less digits than its factorization.

68841280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 68841280 is about 8297.0645411495. The cubic root of 68841280 is about 409.8418585033.

The spelling of 68841280 in words is "sixty-eight million, eight hundred forty-one thousand, two hundred eighty".