68444742 has 8 divisors (see below), whose sum is σ = 136889496. Its totient is φ = 22814912.

The previous prime is 68444741. The next prime is 68444759. The reversal of 68444742 is 24744486.

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

68444742 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68444742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68444741) 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, 5703723 + ... + 5703734.

It is an arithmetic number, because the mean of its divisors is an integer number (17111187).

Almost surely, 2^68444742 is an apocalyptic number.

68444742 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.

68444742 is a wasteful number, since it uses less digits than its factorization.

68444742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407462.

The product of its digits is 172032, while the sum is 39.

The square root of 68444742 is about 8273.1337472568. The cubic root of 68444742 is about 409.0534220824.

The spelling of 68444742 in words is "sixty-eight million, four hundred forty-four thousand, seven hundred forty-two".