68679367 has 4 divisors (see below), whose sum is σ = 68745040. Its totient is φ = 68613696.

The previous prime is 68679343. The next prime is 68679383. The reversal of 68679367 is 76397686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76397686 = 2 ⋅38198843.

It is a cyclic number.

It is not a de Polignac number, because 68679367 - 2¹¹ = 68677319 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 (68679307) 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, 31242 + ... + 33367.

It is an arithmetic number, because the mean of its divisors is an integer number (17186260).

Almost surely, 2^68679367 is an apocalyptic number.

68679367 is a deficient number, since it is larger than the sum of its proper divisors (65673).

68679367 is a wasteful number, since it uses less digits than its factorization.

68679367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65672.

The product of its digits is 2286144, while the sum is 52.

The square root of 68679367 is about 8287.3015511685. The cubic root of 68679367 is about 409.5202936049.

The spelling of 68679367 in words is "sixty-eight million, six hundred seventy-nine thousand, three hundred sixty-seven".