6691741 has 4 divisors (see below), whose sum is σ = 7647712. Its totient is φ = 5735772.

The previous prime is 6691723. The next prime is 6691771. The reversal of 6691741 is 1471966.

6691741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1471966 = 2 ⋅735983.

It is not a de Polignac number, because 6691741 - 2⁷ = 6691613 is a prime.

It is a super-2 number, since 2×6691741² = 89558795222162, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6691697 and 6691706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691771) 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, 477975 + ... + 477988.

It is an arithmetic number, because the mean of its divisors is an integer number (1911928).

Almost surely, 2^6691741 is an apocalyptic number.

It is an amenable number.

6691741 is a deficient number, since it is larger than the sum of its proper divisors (955971).

6691741 is an equidigital number, since it uses as much as digits as its factorization.

6691741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955970.

The product of its digits is 9072, while the sum is 34.

The square root of 6691741 is about 2586.8399641261. The cubic root of 6691741 is about 188.4428690783.

The spelling of 6691741 in words is "six million, six hundred ninety-one thousand, seven hundred forty-one".