6544742 has 16 divisors (see below), whose sum is σ = 10389600. Its totient is φ = 3085632.

The previous prime is 6544739. The next prime is 6544753. The reversal of 6544742 is 2474456.

It is a junction number, because it is equal to n+sod(n) for n = 6544699 and 6544708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384 + ... + 4332.

It is an arithmetic number, because the mean of its divisors is an integer number (649350).

Almost surely, 2^6544742 is an apocalyptic number.

6544742 is a deficient number, since it is larger than the sum of its proper divisors (3844858).

6544742 is a wasteful number, since it uses less digits than its factorization.

6544742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047.

The product of its digits is 26880, while the sum is 32.

The square root of 6544742 is about 2558.2693368760. The cubic root of 6544742 is about 187.0527842452.

The spelling of 6544742 in words is "six million, five hundred forty-four thousand, seven hundred forty-two".