68206443 has 4 divisors (see below), whose sum is σ = 90941928. Its totient is φ = 45470960.

The previous prime is 68206433. The next prime is 68206451. The reversal of 68206443 is 34460286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68206443 - 2⁴ = 68206427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68206403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11367738 + ... + 11367743.

It is an arithmetic number, because the mean of its divisors is an integer number (22735482).

Almost surely, 2^68206443 is an apocalyptic number.

68206443 is a deficient number, since it is larger than the sum of its proper divisors (22735485).

68206443 is a wasteful number, since it uses less digits than its factorization.

68206443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22735484.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 68206443 is about 8258.7192106282. The cubic root of 68206443 is about 408.5781463876.

The spelling of 68206443 in words is "sixty-eight million, two hundred six thousand, four hundred forty-three".