16700473 has 2 divisors, whose sum is σ = 16700474. Its totient is φ = 16700472.

The previous prime is 16700441. The next prime is 16700479. The reversal of 16700473 is 37400761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16670889 + 29584 = 4083^2 + 172^2 .

It is an emirp because it is prime and its reverse (37400761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16700473 - 2⁵ = 16700441 is a prime.

It is not a weakly prime, because it can be changed into another prime (16700479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8350236 + 8350237.

It is an arithmetic number, because the mean of its divisors is an integer number (8350237).

Almost surely, 2^16700473 is an apocalyptic number.

It is an amenable number.

16700473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16700473 is an equidigital number, since it uses as much as digits as its factorization.

16700473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 16700473 is about 4086.6212205195. The cubic root of 16700473 is about 255.6090682379.

The spelling of 16700473 in words is "sixteen million, seven hundred thousand, four hundred seventy-three".