67849 has 4 divisors (see below), whose sum is σ = 71440. Its totient is φ = 64260.

The previous prime is 67843. The next prime is 67853. The reversal of 67849 is 94876.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67849 - 2¹⁵ = 35081 is a prime.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (67843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (17860).

2⁶⁷⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

67849 is a deficient number, since it is larger than the sum of its proper divisors (3591).

67849 is a wasteful number, since it uses less digits than its factorization.

67849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its digits is 12096, while the sum is 34.

The square root of 67849 is about 260.4784060148. The cubic root of 67849 is about 40.7863163776.

It can be divided in two parts, 678 and 49, that added together give a palindrome (727).

The spelling of 67849 in words is "sixty-seven thousand, eight hundred forty-nine".