6775690 has 16 divisors (see below), whose sum is σ = 12913992. Its totient is φ = 2550784.

The previous prime is 6775667. The next prime is 6775693. The reversal of 6775690 is 965776.

It can be written as a sum of positive squares in 4 ways, for example, as 6775609 + 81 = 2603^2 + 9^2 .

It is a super-2 number, since 2×6775690² = 91819949952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6775693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19759 + ... + 20098.

Almost surely, 2^6775690 is an apocalyptic number.

6775690 is a deficient number, since it is larger than the sum of its proper divisors (6138302).

6775690 is a wasteful number, since it uses less digits than its factorization.

6775690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39881.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 6775690 is about 2603.0155589239. The cubic root of 6775690 is about 189.2276122677.

It can be divided in two parts, 67 and 75690, that added together give a palindrome (75757).

The spelling of 6775690 in words is "six million, seven hundred seventy-five thousand, six hundred ninety".