68936443 has 8 divisors (see below), whose sum is σ = 69603840. Its totient is φ = 68272680.

The previous prime is 68936437. The next prime is 68936447. The reversal of 68936443 is 34463986.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68936443 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 68936443.

It is not an unprimeable number, because it can be changed into a prime (68936447) 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, 49746 + ... + 51112.

It is an arithmetic number, because the mean of its divisors is an integer number (8700480).

Almost surely, 2^68936443 is an apocalyptic number.

68936443 is a deficient number, since it is larger than the sum of its proper divisors (667397).

68936443 is a wasteful number, since it uses less digits than its factorization.

68936443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817.

The product of its digits is 373248, while the sum is 43.

The square root of 68936443 is about 8302.7972997057. The cubic root of 68936443 is about 410.0306203583.

The spelling of 68936443 in words is "sixty-eight million, nine hundred thirty-six thousand, four hundred forty-three".