6449741 has 4 divisors (see below), whose sum is σ = 6522300. Its totient is φ = 6377184.

The previous prime is 6449731. The next prime is 6449743. The reversal of 6449741 is 1479446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1479446 = 2 ⋅739723.

It can be written as a sum of positive squares in 2 ways, for example, as 828100 + 5621641 = 910^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 6449741 - 2²² = 2255437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36146 + ... + 36323.

It is an arithmetic number, because the mean of its divisors is an integer number (1630575).

Almost surely, 2^6449741 is an apocalyptic number.

It is an amenable number.

6449741 is a deficient number, since it is larger than the sum of its proper divisors (72559).

6449741 is an equidigital number, since it uses as much as digits as its factorization.

6449741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72558.

The product of its digits is 24192, while the sum is 35.

The square root of 6449741 is about 2539.6340287530. The cubic root of 6449741 is about 186.1433069091.

The spelling of 6449741 in words is "six million, four hundred forty-nine thousand, seven hundred forty-one".