68742822 has 16 divisors (see below), whose sum is σ = 138848112. Its totient is φ = 22687200.

The previous prime is 68742809. The next prime is 68742829. The reversal of 68742822 is 22824786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68742829) by changing a digit.

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, 56113 + ... + 57324.

It is an arithmetic number, because the mean of its divisors is an integer number (8678007).

Almost surely, 2^68742822 is an apocalyptic number.

68742822 is an abundant number, since it is smaller than the sum of its proper divisors (70105290).

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

68742822 is a wasteful number, since it uses less digits than its factorization.

68742822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113543.

The product of its digits is 86016, while the sum is 39.

The square root of 68742822 is about 8291.1291149035. The cubic root of 68742822 is about 409.6463776209.

The spelling of 68742822 in words is "sixty-eight million, seven hundred forty-two thousand, eight hundred twenty-two".