16728075 has 144 divisors (see below), whose sum is σ = 39719680. Its totient is φ = 6531840.

The previous prime is 16728073. The next prime is 16728077. The reversal of 16728075 is 57082761.

16728075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16728073) and next prime (16728077).

It is not a de Polignac number, because 16728075 - 2¹ = 16728073 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16728071) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 389004 + ... + 389046.

Almost surely, 2^16728075 is an apocalyptic number.

16728075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16728075 is an abundant number, since it is smaller than the sum of its proper divisors (22991605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16728075 is a wasteful number, since it uses less digits than its factorization.

16728075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 16728075 is about 4089.9969437641. The cubic root of 16728075 is about 255.7498115197.

The spelling of 16728075 in words is "sixteen million, seven hundred twenty-eight thousand, seventy-five".