14665728 has 192 divisors, whose sum is σ = 50319360. Its totient is φ = 3686400.

The previous prime is 14665723. The next prime is 14665733. The reversal of 14665728 is 82756641.

It is an interprime number because it is at equal distance from previous prime (14665723) and next prime (14665733).

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14665723) 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, 473073 + ... + 473103.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

Almost surely, 2^14665728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14665728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25159680).

14665728 is an abundant number, since it is smaller than the sum of its proper divisors (35653632).

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

14665728 is a wasteful number, since it uses less digits than its factorization.

14665728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 54 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 14665728 is about 3829.5858783947. The cubic root of 14665728 is about 244.7754599690.

The spelling of 14665728 in words is "fourteen million, six hundred sixty-five thousand, seven hundred twenty-eight".