6788728 has 8 divisors (see below), whose sum is σ = 12728880. Its totient is φ = 3394360.

The previous prime is 6788699. The next prime is 6788731. The reversal of 6788728 is 8278876.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424288 + ... + 424303.

It is an arithmetic number, because the mean of its divisors is an integer number (1591110).

Almost surely, 2^6788728 is an apocalyptic number.

It is an amenable number.

6788728 is a deficient number, since it is larger than the sum of its proper divisors (5940152).

6788728 is a wasteful number, since it uses less digits than its factorization.

6788728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848597 (or 848593 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The square root of 6788728 is about 2605.5187583282. The cubic root of 6788728 is about 189.3489071145.

The spelling of 6788728 in words is "six million, seven hundred eighty-eight thousand, seven hundred twenty-eight".