69798 has 8 divisors (see below), whose sum is σ = 139608. Its totient is φ = 23264.

The previous prime is 69779. The next prime is 69809. The reversal of 69798 is 89796.

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

69798 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69798.

It is an unprimeable number.

69798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5811 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (17451).

2⁶⁹⁷⁹⁸ is an apocalyptic number.

69798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69804).

69798 is a wasteful number, since it uses less digits than its factorization.

69798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11638.

The product of its digits is 27216, while the sum is 39.

The square root of 69798 is about 264.1931111895. The cubic root of 69798 is about 41.1731719646.

The spelling of 69798 in words is "sixty-nine thousand, seven hundred ninety-eight".