8741728 has 24 divisors (see below), whose sum is σ = 17613288. Its totient is φ = 4268544.

The previous prime is 8741699. The next prime is 8741741. The reversal of 8741728 is 8271478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801 + ... + 4552.

It is an arithmetic number, because the mean of its divisors is an integer number (733887).

Almost surely, 2^8741728 is an apocalyptic number.

It is an amenable number.

8741728 is an abundant number, since it is smaller than the sum of its proper divisors (8871560).

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

8741728 is a wasteful number, since it uses less digits than its factorization.

8741728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6398 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 8741728 is about 2956.6413377344. The cubic root of 8741728 is about 205.9993087607. Note that the first 3 decimals are identical.

The spelling of 8741728 in words is "eight million, seven hundred forty-one thousand, seven hundred twenty-eight".