68941243 has 4 divisors (see below), whose sum is σ = 78790000. Its totient is φ = 59092488.

The previous prime is 68941219. The next prime is 68941261. The reversal of 68941243 is 34214986.

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

It is a de Polignac number, because none of the positive numbers 2^k-68941243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68941043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924368 + ... + 4924381.

It is an arithmetic number, because the mean of its divisors is an integer number (19697500).

Almost surely, 2^68941243 is an apocalyptic number.

68941243 is a deficient number, since it is larger than the sum of its proper divisors (9848757).

68941243 is an equidigital number, since it uses as much as digits as its factorization.

68941243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848756.

The product of its digits is 41472, while the sum is 37.

The square root of 68941243 is about 8303.0863538807. The cubic root of 68941243 is about 410.0401368599.

The spelling of 68941243 in words is "sixty-eight million, nine hundred forty-one thousand, two hundred forty-three".