68342767 has 4 divisors (see below), whose sum is σ = 68628960. Its totient is φ = 68056576.

The previous prime is 68342759. The next prime is 68342783. The reversal of 68342767 is 76724386.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68342767 - 2³ = 68342759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68342707) 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, 142738 + ... + 143215.

It is an arithmetic number, because the mean of its divisors is an integer number (17157240).

Almost surely, 2^68342767 is an apocalyptic number.

68342767 is a deficient number, since it is larger than the sum of its proper divisors (286193).

68342767 is a wasteful number, since it uses less digits than its factorization.

68342767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286192.

The product of its digits is 338688, while the sum is 43.

The square root of 68342767 is about 8266.9684286321. The cubic root of 68342767 is about 408.8501731808.

The spelling of 68342767 in words is "sixty-eight million, three hundred forty-two thousand, seven hundred sixty-seven".