14785728 has 56 divisors (see below), whose sum is σ = 39886128. Its totient is φ = 4832256.

The previous prime is 14785723. The next prime is 14785739. The reversal of 14785728 is 82758741.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 14785728.

It is not an unprimeable number, because it can be changed into a prime (14785723) 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, 9450 + ... + 10902.

Almost surely, 2^14785728 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 14785728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19943064).

14785728 is an abundant number, since it is smaller than the sum of its proper divisors (25100400).

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

14785728 is a wasteful number, since it uses less digits than its factorization.

14785728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1511 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 14785728 is about 3845.2214500598. The cubic root of 14785728 is about 245.4412594879.

The spelling of 14785728 in words is "fourteen million, seven hundred eighty-five thousand, seven hundred twenty-eight".