68071242 has 16 divisors (see below), whose sum is σ = 138375072. Its totient is φ = 22318320.

The previous prime is 68071189. The next prime is 68071261. The reversal of 68071242 is 24217086.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92628 + ... + 93359.

It is an arithmetic number, because the mean of its divisors is an integer number (8648442).

Almost surely, 2^68071242 is an apocalyptic number.

68071242 is an abundant number, since it is smaller than the sum of its proper divisors (70303830).

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

68071242 is a wasteful number, since it uses less digits than its factorization.

68071242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186053.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 68071242 is about 8250.5298011703. The cubic root of 68071242 is about 408.3080022418.

The spelling of 68071242 in words is "sixty-eight million, seventy-one thousand, two hundred forty-two".