16973 has 4 divisors (see below), whose sum is σ = 18528. Its totient is φ = 15420.

The previous prime is 16963. The next prime is 16979. The reversal of 16973 is 37961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16973 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 (16979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761 + ... + 782.

It is an arithmetic number, because the mean of its divisors is an integer number (4632).

2¹⁶⁹⁷³ is an apocalyptic number.

It is an amenable number.

16973 is a deficient number, since it is larger than the sum of its proper divisors (1555).

16973 is a wasteful number, since it uses less digits than its factorization.

16973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554.

The product of its digits is 1134, while the sum is 26.

The square root of 16973 is about 130.2804666863. The cubic root of 16973 is about 25.6991960263.

It can be divided in two parts, 169 and 73, that added together give a palindrome (242).

The spelling of 16973 in words is "sixteen thousand, nine hundred seventy-three".