14727728 has 40 divisors (see below), whose sum is σ = 30759936. Its totient is φ = 6811200.

The previous prime is 14727709. The next prime is 14727731. The reversal of 14727728 is 82772741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 14727691 and 14727700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10763 + ... + 12053.

Almost surely, 2^14727728 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 14727728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15379968).

14727728 is an abundant number, since it is smaller than the sum of its proper divisors (16032208).

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

14727728 is a wasteful number, since it uses less digits than its factorization.

14727728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1347 counting only the distinct ones).

The product of its digits is 43904, while the sum is 38.

The square root of 14727728 is about 3837.6722111197. The cubic root of 14727728 is about 245.1199079856.

The spelling of 14727728 in words is "fourteen million, seven hundred twenty-seven thousand, seven hundred twenty-eight".