68047 has 4 divisors (see below), whose sum is σ = 77776. Its totient is φ = 58320.

The previous prime is 68041. The next prime is 68053. The reversal of 68047 is 74086.

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

It is an interprime number because it is at equal distance from previous prime (68041) and next prime (68053).

It is a cyclic number.

It is not a de Polignac number, because 68047 - 2¹⁵ = 35279 is a prime.

It is a Duffinian number.

68047 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68041) 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, 4854 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (19444).

2⁶⁸⁰⁴⁷ is an apocalyptic number.

68047 is a deficient number, since it is larger than the sum of its proper divisors (9729).

68047 is an equidigital number, since it uses as much as digits as its factorization.

68047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 68047 is about 260.8581990277. The cubic root of 68047 is about 40.8259526667.

It can be divided in two parts, 680 and 47, that added together give a palindrome (727).

The spelling of 68047 in words is "sixty-eight thousand, forty-seven".