68881343 has 8 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 65799448.

The previous prime is 68881339. The next prime is 68881363. The reversal of 68881343 is 34318886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68881343 - 2² = 68881339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68881343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68881333) 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, 21968 + ... + 24906.

It is an arithmetic number, because the mean of its divisors is an integer number (8996400).

Almost surely, 2^68881343 is an apocalyptic number.

68881343 is a deficient number, since it is larger than the sum of its proper divisors (3089857).

68881343 is a wasteful number, since it uses less digits than its factorization.

68881343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its digits is 110592, while the sum is 41.

The square root of 68881343 is about 8299.4784775912. The cubic root of 68881343 is about 409.9213471969.

The spelling of 68881343 in words is "sixty-eight million, eight hundred eighty-one thousand, three hundred forty-three".