69799 has 4 divisors (see below), whose sum is σ = 70336. Its totient is φ = 69264.

The previous prime is 69779. The next prime is 69809. The reversal of 69799 is 99796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 69799 - 2⁵ = 69767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69709) 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 3 ways as a sum of consecutive naturals, for example, 67 + ... + 379.

It is an arithmetic number, because the mean of its divisors is an integer number (17584).

2⁶⁹⁷⁹⁹ is an apocalyptic number.

69799 is a deficient number, since it is larger than the sum of its proper divisors (537).

69799 is a wasteful number, since it uses less digits than its factorization.

69799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 30618, while the sum is 40.

The square root of 69799 is about 264.1950037378. The cubic root of 69799 is about 41.1733685939.

It can be divided in two parts, 69 and 799, that added together give a palindrome (868).

The spelling of 69799 in words is "sixty-nine thousand, seven hundred ninety-nine".