6775540 has 12 divisors (see below), whose sum is σ = 14228676. Its totient is φ = 2710208.

The previous prime is 6775529. The next prime is 6775541. The reversal of 6775540 is 455776.

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 6022116 = 868^2 + 2454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6775496 and 6775505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775541) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 169369 + ... + 169408.

It is an arithmetic number, because the mean of its divisors is an integer number (1185723).

Almost surely, 2^6775540 is an apocalyptic number.

It is an amenable number.

6775540 is an abundant number, since it is smaller than the sum of its proper divisors (7453136).

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

6775540 is a wasteful number, since it uses less digits than its factorization.

6775540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338786 (or 338784 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 6775540 is about 2602.9867460285. The cubic root of 6775540 is about 189.2262158859.

The spelling of 6775540 in words is "six million, seven hundred seventy-five thousand, five hundred forty".