6775128 has 24 divisors (see below), whose sum is σ = 18349500. Its totient is φ = 2258352.

The previous prime is 6775121. The next prime is 6775157. The reversal of 6775128 is 8215776.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6775092 and 6775101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775121) 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 in 5 ways as a sum of consecutive naturals, for example, 46978 + ... + 47121.

Almost surely, 2^6775128 is an apocalyptic number.

It is an amenable number.

6775128 is an abundant number, since it is smaller than the sum of its proper divisors (11574372).

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

6775128 is a wasteful number, since it uses less digits than its factorization.

6775128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94111 (or 94104 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 6775128 is about 2602.9076049680. The cubic root of 6775128 is about 189.2223803844. Note that the first 3 decimals are identical.

It can be divided in two parts, 6775 and 128, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6775128 in words is "six million, seven hundred seventy-five thousand, one hundred twenty-eight".