68844558 has 8 divisors (see below), whose sum is σ = 137689128. Its totient is φ = 22948184.

The previous prime is 68844557. The next prime is 68844571. The reversal of 68844558 is 85544886.

It is a happy number.

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

68844558 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68844553) 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, 5737041 + ... + 5737052.

It is an arithmetic number, because the mean of its divisors is an integer number (17211141).

Almost surely, 2^68844558 is an apocalyptic number.

68844558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68844558 is a wasteful number, since it uses less digits than its factorization.

68844558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474098.

The product of its digits is 1228800, while the sum is 48.

The square root of 68844558 is about 8297.2620785413. The cubic root of 68844558 is about 409.8483635164.

The spelling of 68844558 in words is "sixty-eight million, eight hundred forty-four thousand, five hundred fifty-eight".