68386493 has 8 divisors (see below), whose sum is σ = 78425088. Its totient is φ = 58415184.

The previous prime is 68386481. The next prime is 68386517. The reversal of 68386493 is 39468386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68386493 - 2¹⁰ = 68385469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68386433) 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, 14621 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (9803136).

Almost surely, 2^68386493 is an apocalyptic number.

It is an amenable number.

68386493 is a deficient number, since it is larger than the sum of its proper divisors (10038595).

68386493 is a wasteful number, since it uses less digits than its factorization.

68386493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33643.

The product of its digits is 746496, while the sum is 47.

The square root of 68386493 is about 8269.6126269614. The cubic root of 68386493 is about 408.9373492988.

It can be divided in two parts, 6838 and 6493, that added together give a palindrome (13331).

The spelling of 68386493 in words is "sixty-eight million, three hundred eighty-six thousand, four hundred ninety-three".