14728420 has 96 divisors (see below), whose sum is σ = 38304000. Its totient is φ = 4741632.

The previous prime is 14728411. The next prime is 14728423. The reversal of 14728420 is 2482741.

14728420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (14728423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130284 + ... + 130396.

It is an arithmetic number, because the mean of its divisors is an integer number (399000).

Almost surely, 2^14728420 is an apocalyptic number.

14728420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14728420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19152000).

14728420 is an abundant number, since it is smaller than the sum of its proper divisors (23575580).

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

14728420 is a wasteful number, since it uses less digits than its factorization.

14728420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 14728420 is about 3837.7623688811. The cubic root of 14728420 is about 245.1237470099.

The spelling of 14728420 in words is "fourteen million, seven hundred twenty-eight thousand, four hundred twenty".