6740244 has 54 divisors (see below), whose sum is σ = 19824714. Its totient is φ = 1925280.

The previous prime is 6740197. The next prime is 6740273. The reversal of 6740244 is 4420476.

It can be written as a sum of positive squares in only one way, i.e., 6563844 + 176400 = 2562^2 + 420^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 147 + ... + 3674.

Almost surely, 2^6740244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6740244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9912357).

6740244 is an abundant number, since it is smaller than the sum of its proper divisors (13084470).

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

6740244 is a wasteful number, since it uses less digits than its factorization.

6740244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 6740244 is about 2596.1979893683. The cubic root of 6740244 is about 188.8970632884.

The spelling of 6740244 in words is "six million, seven hundred forty thousand, two hundred forty-four".