7994728 has 32 divisors (see below), whose sum is σ = 17222400. Its totient is φ = 3408192.

The previous prime is 7994711. The next prime is 7994729. The reversal of 7994728 is 8274997.

7994728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (7994729) 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, 20358 + ... + 20746.

It is an arithmetic number, because the mean of its divisors is an integer number (538200).

Almost surely, 2^7994728 is an apocalyptic number.

It is an amenable number.

7994728 is an abundant number, since it is smaller than the sum of its proper divisors (9227672).

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

7994728 is a wasteful number, since it uses less digits than its factorization.

7994728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 7994728 is about 2827.4950044165. The cubic root of 7994728 is about 199.9560570124.

It can be divided in two parts, 799472 and 8, that added together give a triangular number (799480 = T₁₂₆₄).

The spelling of 7994728 in words is "seven million, nine hundred ninety-four thousand, seven hundred twenty-eight".