16725723 has 16 divisors (see below), whose sum is σ = 25724160. Its totient is φ = 9468576.

The previous prime is 16725713. The next prime is 16725727. The reversal of 16725723 is 32752761.

It is not a de Polignac number, because 16725723 - 2⁴ = 16725707 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16725727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (1607760).

Almost surely, 2^16725723 is an apocalyptic number.

16725723 is a deficient number, since it is larger than the sum of its proper divisors (8998437).

16725723 is a wasteful number, since it uses less digits than its factorization.

16725723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426.

The product of its digits is 17640, while the sum is 33.

The square root of 16725723 is about 4089.7094028794. The cubic root of 16725723 is about 255.7378246503.

The spelling of 16725723 in words is "sixteen million, seven hundred twenty-five thousand, seven hundred twenty-three".