69963 has 4 divisors (see below), whose sum is σ = 93288. Its totient is φ = 46640.

The previous prime is 69959. The next prime is 69991. The reversal of 69963 is 36996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69963 - 2² = 69959 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (69163) 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, 11658 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (23322).

2⁶⁹⁹⁶³ is an apocalyptic number.

69963 is a deficient number, since it is larger than the sum of its proper divisors (23325).

69963 is a wasteful number, since it uses less digits than its factorization.

69963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23324.

The product of its digits is 8748, while the sum is 33.

The square root of 69963 is about 264.5051984366. The cubic root of 69963 is about 41.2055904061.

Adding to 69963 its sum of digits (33), we get a palindrome (69996).

The spelling of 69963 in words is "sixty-nine thousand, nine hundred sixty-three".