4501728 has 216 divisors, whose sum is σ = 16805880. Its totient is φ = 1128960.

The previous prime is 4501723. The next prime is 4501733. The reversal of 4501728 is 8271054.

It is an interprime number because it is at equal distance from previous prime (4501723) and next prime (4501733).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4501723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155218 + ... + 155246.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

Almost surely, 2^4501728 is an apocalyptic number.

4501728 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 4501728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8402940).

4501728 is an abundant number, since it is smaller than the sum of its proper divisors (12304152).

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

4501728 is a wasteful number, since it uses less digits than its factorization.

4501728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4501728 is about 2121.7275979729. The cubic root of 4501728 is about 165.1174920748.

The spelling of 4501728 in words is "four million, five hundred one thousand, seven hundred twenty-eight".