7941728 has 12 divisors (see below), whose sum is σ = 15635340. Its totient is φ = 3970848.

The previous prime is 7941721. The next prime is 7941751. The reversal of 7941728 is 8271497.

It is a junction number, because it is equal to n+sod(n) for n = 7941691 and 7941700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7941721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124058 + ... + 124121.

It is an arithmetic number, because the mean of its divisors is an integer number (1302945).

Almost surely, 2^7941728 is an apocalyptic number.

It is an amenable number.

7941728 is a deficient number, since it is larger than the sum of its proper divisors (7693612).

7941728 is a wasteful number, since it uses less digits than its factorization.

7941728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248189 (or 248181 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 7941728 is about 2818.1071661667. The cubic root of 7941728 is about 199.5132161687.

The spelling of 7941728 in words is "seven million, nine hundred forty-one thousand, seven hundred twenty-eight".