68338517 has 8 divisors (see below), whose sum is σ = 75161856. Its totient is φ = 61738992.

The previous prime is 68338511. The next prime is 68338547. The reversal of 68338517 is 71583386.

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 68338517 - 2¹² = 68334421 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 (68338511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55313 + ... + 56534.

It is an arithmetic number, because the mean of its divisors is an integer number (9395232).

Almost surely, 2^68338517 is an apocalyptic number.

It is an amenable number.

68338517 is a deficient number, since it is larger than the sum of its proper divisors (6823339).

68338517 is a wasteful number, since it uses less digits than its factorization.

68338517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111907.

The product of its digits is 120960, while the sum is 41.

The square root of 68338517 is about 8266.7113775673. The cubic root of 68338517 is about 408.8416980130.

The spelling of 68338517 in words is "sixty-eight million, three hundred thirty-eight thousand, five hundred seventeen".