16672717 has 8 divisors (see below), whose sum is σ = 16977600. Its totient is φ = 16369920.

The previous prime is 16672693. The next prime is 16672729. The reversal of 16672717 is 71727661.

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

It is a cyclic number.

It is not a de Polignac number, because 16672717 - 2¹¹ = 16670669 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 (16672757) 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, 31618 + ... + 32140.

It is an arithmetic number, because the mean of its divisors is an integer number (2122200).

Almost surely, 2^16672717 is an apocalyptic number.

It is an amenable number.

16672717 is a deficient number, since it is larger than the sum of its proper divisors (304883).

16672717 is an equidigital number, since it uses as much as digits as its factorization.

16672717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 24696, while the sum is 37.

The square root of 16672717 is about 4083.2238488724. The cubic root of 16672717 is about 255.4673832417.

The spelling of 16672717 in words is "sixteen million, six hundred seventy-two thousand, seven hundred seventeen".