6544722 has 16 divisors (see below), whose sum is σ = 13121280. Its totient is φ = 2176272.

The previous prime is 6544667. The next prime is 6544739. The reversal of 6544722 is 2274456.

It is a self number, because there is not a number n which added to its sum of digits gives 6544722.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1983 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (820080).

Almost surely, 2^6544722 is an apocalyptic number.

6544722 is an abundant number, since it is smaller than the sum of its proper divisors (6576558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6544722 is a wasteful number, since it uses less digits than its factorization.

6544722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its digits is 13440, while the sum is 30.

The square root of 6544722 is about 2558.2654279805. The cubic root of 6544722 is about 187.0525937075.

The spelling of 6544722 in words is "six million, five hundred forty-four thousand, seven hundred twenty-two".