16749717 has 8 divisors (see below), whose sum is σ = 22470624. Its totient is φ = 11097648.

The previous prime is 16749701. The next prime is 16749731. The reversal of 16749717 is 71794761.

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

It is not a de Polignac number, because 16749717 - 2⁴ = 16749701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16749767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16638 + ... + 17615.

It is an arithmetic number, because the mean of its divisors is an integer number (2808828).

Almost surely, 2^16749717 is an apocalyptic number.

It is an amenable number.

16749717 is a deficient number, since it is larger than the sum of its proper divisors (5720907).

16749717 is a wasteful number, since it uses less digits than its factorization.

16749717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34419.

The product of its digits is 74088, while the sum is 42.

The square root of 16749717 is about 4092.6418118374. The cubic root of 16749717 is about 255.8600563663.

The spelling of 16749717 in words is "sixteen million, seven hundred forty-nine thousand, seven hundred seventeen".