6775944 has 64 divisors (see below), whose sum is σ = 19751040. Its totient is φ = 1896960.

The previous prime is 6775931. The next prime is 6775969. The reversal of 6775944 is 4495776.

It is a super-3 number, since 3×6775944³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 6⁸ + 7³ + 7⁷ + 5⁷ + 9 + 4 + 4¹¹ .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6775896 and 6775905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8524 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (308610).

Almost surely, 2^6775944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6775944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9875520).

6775944 is an abundant number, since it is smaller than the sum of its proper divisors (12975096).

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

6775944 is a wasteful number, since it uses less digits than its factorization.

6775944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 826 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 6775944 is about 2603.0643480329. The cubic root of 6775944 is about 189.2299767606.

The spelling of 6775944 in words is "six million, seven hundred seventy-five thousand, nine hundred forty-four".