16728575 has 12 divisors (see below), whose sum is σ = 20805960. Its totient is φ = 13342560.

The previous prime is 16728479. The next prime is 16728583. The reversal of 16728575 is 57582761.

16728575 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 16728575 - 2⁸ = 16728319 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9677 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (1733830).

Almost surely, 2^16728575 is an apocalyptic number.

16728575 is a deficient number, since it is larger than the sum of its proper divisors (4077385).

16728575 is a wasteful number, since it uses less digits than its factorization.

16728575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2021 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 16728575 is about 4090.0580680474. The cubic root of 16728575 is about 255.7523596039.

The spelling of 16728575 in words is "sixteen million, seven hundred twenty-eight thousand, five hundred seventy-five".