67869 has 6 divisors (see below), whose sum is σ = 98046. Its totient is φ = 45240.

The previous prime is 67867. The next prime is 67883. The reversal of 67869 is 96876.

It can be written as a sum of positive squares in only one way, i.e., 45369 + 22500 = 213^2 + 150^2 .

It is not a de Polignac number, because 67869 - 2¹ = 67867 is a prime.

It is a super-2 number, since 2×67869² = 9212402322, which contains 22 as substring.

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 (67867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3762 + ... + 3779.

It is an arithmetic number, because the mean of its divisors is an integer number (16341).

2⁶⁷⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

67869 is a deficient number, since it is larger than the sum of its proper divisors (30177).

67869 is a wasteful number, since it uses less digits than its factorization.

67869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547 (or 7544 counting only the distinct ones).

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

The square root of 67869 is about 260.5167940844. The cubic root of 67869 is about 40.7903235415.

It can be divided in two parts, 678 and 69, that added together give a palindrome (747).

The spelling of 67869 in words is "sixty-seven thousand, eight hundred sixty-nine".