16873573 has 2 divisors, whose sum is σ = 16873574. Its totient is φ = 16873572.

The previous prime is 16873567. The next prime is 16873589. The reversal of 16873573 is 37537861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15069924 + 1803649 = 3882^2 + 1343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16873573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16873523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436786 + 8436787.

It is an arithmetic number, because the mean of its divisors is an integer number (8436787).

Almost surely, 2^16873573 is an apocalyptic number.

It is an amenable number.

16873573 is a deficient number, since it is larger than the sum of its proper divisors (1).

16873573 is an equidigital number, since it uses as much as digits as its factorization.

16873573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 16873573 is about 4107.7454887079. The cubic root of 16873573 is about 256.4891617661.

The spelling of 16873573 in words is "sixteen million, eight hundred seventy-three thousand, five hundred seventy-three".