16673273 has 8 divisors (see below), whose sum is σ = 17361288. Its totient is φ = 15997824.

The previous prime is 16673227. The next prime is 16673281. The reversal of 16673273 is 37237661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1517824 + 15155449 = 1232^2 + 3893^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16673273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16673213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (2170161).

Almost surely, 2^16673273 is an apocalyptic number.

It is an amenable number.

16673273 is a deficient number, since it is larger than the sum of its proper divisors (688015).

16673273 is an equidigital number, since it uses as much as digits as its factorization.

16673273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283.

The product of its digits is 31752, while the sum is 35.

The square root of 16673273 is about 4083.2919317629. The cubic root of 16673273 is about 255.4702229765.

The spelling of 16673273 in words is "sixteen million, six hundred seventy-three thousand, two hundred seventy-three".