67718 has 12 divisors (see below), whose sum is σ = 118332. Its totient is φ = 28980.

The previous prime is 67709. The next prime is 67723. The reversal of 67718 is 81776.

It is a congruent number.

It is an unprimeable number.

67718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 248 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (9861).

2⁶⁷⁷¹⁸ is an apocalyptic number.

67718 is a deficient number, since it is larger than the sum of its proper divisors (50614).

67718 is a wasteful number, since it uses less digits than its factorization.

67718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 700 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 67718 is about 260.2268241362. The cubic root of 67718 is about 40.7600499633.

The spelling of 67718 in words is "sixty-seven thousand, seven hundred eighteen".