14728725 has 54 divisors (see below), whose sum is σ = 29050658. Its totient is φ = 7128000.

The previous prime is 14728697. The next prime is 14728757. The reversal of 14728725 is 52782741.

14728725 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 576081 + 14152644 = 759^2 + 3762^2 .

It is not a de Polignac number, because 14728725 - 2⁹ = 14728213 is a prime.

It is a Duffinian number.

Its product of digits (31360) is a multiple of the sum of its prime divisors (560).

It is a self number, because there is not a number n which added to its sum of digits gives 14728725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 26955 + ... + 27495.

Almost surely, 2^14728725 is an apocalyptic number.

14728725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14728725 is a deficient number, since it is larger than the sum of its proper divisors (14321933).

14728725 is a wasteful number, since it uses less digits than its factorization.

14728725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 560 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 14728725 is about 3837.8021053723. The cubic root of 14728725 is about 245.1254390273.

The spelling of 14728725 in words is "fourteen million, seven hundred twenty-eight thousand, seven hundred twenty-five".