16672703 has 4 divisors (see below), whose sum is σ = 16946088. Its totient is φ = 16399320.

The previous prime is 16672693. The next prime is 16672729. The reversal of 16672703 is 30727661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30727661 = 3547 ⋅8663.

It is a cyclic number.

It is not a de Polignac number, because 16672703 - 2¹⁴ = 16656319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16672703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16672753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136601 + ... + 136722.

It is an arithmetic number, because the mean of its divisors is an integer number (4236522).

Almost surely, 2^16672703 is an apocalyptic number.

16672703 is a deficient number, since it is larger than the sum of its proper divisors (273385).

16672703 is an equidigital number, since it uses as much as digits as its factorization.

16672703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273384.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 16672703 is about 4083.2221345403. Note that the first 3 decimals coincide. The cubic root of 16672703 is about 255.4673117368.

The spelling of 16672703 in words is "sixteen million, six hundred seventy-two thousand, seven hundred three".