68112942 has 16 divisors (see below), whose sum is σ = 138092880. Its totient is φ = 22393152.

The previous prime is 68112911. The next prime is 68112943. The reversal of 68112942 is 24921186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68112943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77317 + ... + 78192.

It is an arithmetic number, because the mean of its divisors is an integer number (8630805).

Almost surely, 2^68112942 is an apocalyptic number.

68112942 is an abundant number, since it is smaller than the sum of its proper divisors (69979938).

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

68112942 is a wasteful number, since it uses less digits than its factorization.

68112942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155587.

The product of its digits is 6912, while the sum is 33.

The square root of 68112942 is about 8253.0565247065. The cubic root of 68112942 is about 408.3913608311.

The spelling of 68112942 in words is "sixty-eight million, one hundred twelve thousand, nine hundred forty-two".