4130728 has 32 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 1665792.

The previous prime is 4130723. The next prime is 4130729. The reversal of 4130728 is 8270314.

It is not an unprimeable number, because it can be changed into a prime (4130723) 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, 1218 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (292950).

Almost surely, 2^4130728 is an apocalyptic number.

It is an amenable number.

4130728 is an abundant number, since it is smaller than the sum of its proper divisors (5243672).

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

4130728 is a wasteful number, since it uses less digits than its factorization.

4130728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4130728 is about 2032.4192480883. The cubic root of 4130728 is about 160.4509155261.

The spelling of 4130728 in words is "four million, one hundred thirty thousand, seven hundred twenty-eight".