68321142 has 12 divisors (see below), whose sum is σ = 148029180. Its totient is φ = 22773708.

The previous prime is 68321111. The next prime is 68321153. The reversal of 68321142 is 24112386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1897792 + ... + 1897827.

It is an arithmetic number, because the mean of its divisors is an integer number (12335765).

Almost surely, 2^68321142 is an apocalyptic number.

68321142 is an abundant number, since it is smaller than the sum of its proper divisors (79708038).

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

68321142 is a wasteful number, since it uses less digits than its factorization.

68321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795627 (or 3795624 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 68321142 is about 8265.6604091869. The cubic root of 68321142 is about 408.8070458777.

The spelling of 68321142 in words is "sixty-eight million, three hundred twenty-one thousand, one hundred forty-two".