4327728 has 40 divisors (see below), whose sum is σ = 11569200. Its totient is φ = 1392384.

The previous prime is 4327727. The next prime is 4327759. The reversal of 4327728 is 8277234.

It is not an unprimeable number, because it can be changed into a prime (4327721) 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, 163 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (289230).

Almost surely, 2^4327728 is an apocalyptic number.

4327728 is a gapful number since it is divisible by the number (48) 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 4327728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5784600).

4327728 is an abundant number, since it is smaller than the sum of its proper divisors (7241472).

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

4327728 is a wasteful number, since it uses less digits than its factorization.

4327728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3143 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 4327728 is about 2080.3192062758. The cubic root of 4327728 is about 162.9621149737.

The spelling of 4327728 in words is "four million, three hundred twenty-seven thousand, seven hundred twenty-eight".