14775728 has 40 divisors (see below), whose sum is σ = 32088720. Its totient is φ = 6531840.

The previous prime is 14775727. The next prime is 14775731. The reversal of 14775728 is 82757741.

14775728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (14775727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5378 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (802218).

Almost surely, 2^14775728 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 14775728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16044360).

14775728 is an abundant number, since it is smaller than the sum of its proper divisors (17312992).

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

14775728 is a wasteful number, since it uses less digits than its factorization.

14775728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2319 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 14775728 is about 3843.9209148993. The cubic root of 14775728 is about 245.3859140870.

The spelling of 14775728 in words is "fourteen million, seven hundred seventy-five thousand, seven hundred twenty-eight".