6499741 has 4 divisors (see below), whose sum is σ = 6723900. Its totient is φ = 6275584.

The previous prime is 6499723. The next prime is 6499747. The reversal of 6499741 is 1479946.

It is a happy number.

6499741 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5405625 + 1094116 = 2325^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 6499741 - 2⁵ = 6499709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6499694 and 6499703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499747) 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, 112036 + ... + 112093.

It is an arithmetic number, because the mean of its divisors is an integer number (1680975).

Almost surely, 2^6499741 is an apocalyptic number.

It is an amenable number.

6499741 is a deficient number, since it is larger than the sum of its proper divisors (224159).

6499741 is a wasteful number, since it uses less digits than its factorization.

6499741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224158.

The product of its digits is 54432, while the sum is 40.

The square root of 6499741 is about 2549.4589622114. The cubic root of 6499741 is about 186.6230790377.

The spelling of 6499741 in words is "six million, four hundred ninety-nine thousand, seven hundred forty-one".