6745441 has 4 divisors (see below), whose sum is σ = 6856084. Its totient is φ = 6634800.

The previous prime is 6745439. The next prime is 6745451. The reversal of 6745441 is 1445476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3150625 + 3594816 = 1775^2 + 1896^2 .

It is a cyclic number.

It is not a de Polignac number, because 6745441 - 2¹ = 6745439 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6745421) 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, 55230 + ... + 55351.

It is an arithmetic number, because the mean of its divisors is an integer number (1714021).

Almost surely, 2^6745441 is an apocalyptic number.

6745441 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6745441 is a deficient number, since it is larger than the sum of its proper divisors (110643).

6745441 is a wasteful number, since it uses less digits than its factorization.

6745441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110642.

The product of its digits is 13440, while the sum is 31.

The square root of 6745441 is about 2597.1986831970. The cubic root of 6745441 is about 188.9455999011.

The spelling of 6745441 in words is "six million, seven hundred forty-five thousand, four hundred forty-one".