69969 has 8 divisors (see below), whose sum is σ = 94752. Its totient is φ = 45920.

The previous prime is 69959. The next prime is 69991. The reversal of 69969 is 96996.

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

It is a cyclic number.

It is not a de Polignac number, because 69969 - 2⁹ = 69457 is a prime.

It is a super-2 number, since 2×69969² = 9791321922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 389.

It is an arithmetic number, because the mean of its divisors is an integer number (11844).

2⁶⁹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

69969 is a deficient number, since it is larger than the sum of its proper divisors (24783).

69969 is a wasteful number, since it uses less digits than its factorization.

69969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367.

The product of its digits is 26244, while the sum is 39.

The square root of 69969 is about 264.5165401256. The cubic root of 69969 is about 41.2067682977.

The spelling of 69969 in words is "sixty-nine thousand, nine hundred sixty-nine".