4673728 has 28 divisors (see below), whose sum is σ = 9377680. Its totient is φ = 2310912.

The previous prime is 4673723. The next prime is 4673731. The reversal of 4673728 is 8273764.

It is not an unprimeable number, because it can be changed into a prime (4673723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6238 + ... + 6946.

Almost surely, 2^4673728 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 4673728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688840).

4673728 is an abundant number, since it is smaller than the sum of its proper divisors (4703952).

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

4673728 is a wasteful number, since it uses less digits than its factorization.

4673728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 814 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 4673728 is about 2161.8806627564. The cubic root of 4673728 is about 167.1941757546.

The spelling of 4673728 in words is "four million, six hundred seventy-three thousand, seven hundred twenty-eight".