67798 has 8 divisors (see below), whose sum is σ = 102960. Its totient is φ = 33480.

The previous prime is 67789. The next prime is 67801. The reversal of 67798 is 89776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63 + ... + 373.

It is an arithmetic number, because the mean of its divisors is an integer number (12870).

2⁶⁷⁷⁹⁸ is an apocalyptic number.

67798 is a deficient number, since it is larger than the sum of its proper divisors (35162).

67798 is a wasteful number, since it uses less digits than its factorization.

67798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its digits is 21168, while the sum is 37.

The square root of 67798 is about 260.3804908206. The cubic root of 67798 is about 40.7760945441.

The spelling of 67798 in words is "sixty-seven thousand, seven hundred ninety-eight".