16728914 has 4 divisors (see below), whose sum is σ = 25093374. Its totient is φ = 8364456.

The previous prime is 16728893. The next prime is 16728917. The reversal of 16728914 is 41982761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15077689 + 1651225 = 3883^2 + 1285^2 .

It is not an unprimeable number, because it can be changed into a prime (16728917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4182227 + ... + 4182230.

Almost surely, 2^16728914 is an apocalyptic number.

16728914 is a deficient number, since it is larger than the sum of its proper divisors (8364460).

16728914 is an equidigital number, since it uses as much as digits as its factorization.

16728914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364459.

The product of its digits is 24192, while the sum is 38.

The square root of 16728914 is about 4090.0995097919. The cubic root of 16728914 is about 255.7540871761.

The spelling of 16728914 in words is "sixteen million, seven hundred twenty-eight thousand, nine hundred fourteen".