6765728 has 24 divisors (see below), whose sum is σ = 14104692. Its totient is φ = 3183616.

The previous prime is 6765683. The next prime is 6765743. The reversal of 6765728 is 8275676.

It is a happy number.

6765728 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 6615184 + 150544 = 2572^2 + 388^2 .

It is a super-3 number, since 3×6765728³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5675 + ... + 6762.

Almost surely, 2^6765728 is an apocalyptic number.

6765728 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6765728 is an abundant number, since it is smaller than the sum of its proper divisors (7338964).

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

6765728 is a wasteful number, since it uses less digits than its factorization.

6765728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12464 (or 12456 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 6765728 is about 2601.1013052167. The cubic root of 6765728 is about 189.1348290933.

The spelling of 6765728 in words is "six million, seven hundred sixty-five thousand, seven hundred twenty-eight".