16873937 has 2 divisors, whose sum is σ = 16873938. Its totient is φ = 16873936.

The previous prime is 16873933. The next prime is 16873939. The reversal of 16873937 is 73937861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 96721 = 4096^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 16873937 - 2² = 16873933 is a prime.

Together with 16873939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16873933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436968 + 8436969.

It is an arithmetic number, because the mean of its divisors is an integer number (8436969).

Almost surely, 2^16873937 is an apocalyptic number.

It is an amenable number.

16873937 is a deficient number, since it is larger than the sum of its proper divisors (1).

16873937 is an equidigital number, since it uses as much as digits as its factorization.

16873937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 16873937 is about 4107.7897950114. The cubic root of 16873937 is about 256.4910060975.

The spelling of 16873937 in words is "sixteen million, eight hundred seventy-three thousand, nine hundred thirty-seven".