68769 has 12 divisors (see below), whose sum is σ = 103376. Its totient is φ = 45684.

The previous prime is 68767. The next prime is 68771. The reversal of 68769 is 96786.

It is an interprime number because it is at equal distance from previous prime (68767) and next prime (68771).

It is not a de Polignac number, because 68769 - 2¹ = 68767 is a prime.

It is a super-2 number, since 2×68769² = 9458350722, which contains 22 as substring.

It is a Duffinian number.

68769 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (68767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102 + ... + 384.

2⁶⁸⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

68769 is a deficient number, since it is larger than the sum of its proper divisors (34607).

68769 is an equidigital number, since it uses as much as digits as its factorization.

68769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 68769 is about 262.2384411180. The cubic root of 68769 is about 40.9698370259.

Subtracting from 68769 its product of digits (18144), we obtain a 4-th power (50625 = 15⁴).

The spelling of 68769 in words is "sixty-eight thousand, seven hundred sixty-nine".