16945703 has 4 divisors (see below), whose sum is σ = 16954488. Its totient is φ = 16936920.

The previous prime is 16945699. The next prime is 16945717. The reversal of 16945703 is 30754961.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30754961 = 41 ⋅750121.

It is a cyclic number.

It is not a de Polignac number, because 16945703 - 2² = 16945699 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 (16945793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (4238622).

Almost surely, 2^16945703 is an apocalyptic number.

16945703 is a deficient number, since it is larger than the sum of its proper divisors (8785).

16945703 is an equidigital number, since it uses as much as digits as its factorization.

16945703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 16945703 is about 4116.5158811791. The cubic root of 16945703 is about 256.8541163614.

The spelling of 16945703 in words is "sixteen million, nine hundred forty-five thousand, seven hundred three".