6725544 has 128 divisors (see below), whose sum is σ = 21120000. Its totient is φ = 1778112.

The previous prime is 6725533. The next prime is 6725549. The reversal of 6725544 is 4455276.

6725544 = T₁ + T₂ + ... + T₃₄₂.

6725544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

6725544 is a nontrivial binomial coefficient, being equal to C(344, 3).

6725544 is a modest number, since divided by 5544 gives 672 as remainder.

It is a nialpdrome in base 7 and base 14.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725549) by changing a digit.

It is the 342-nd tetrahedral 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 31 ways as a sum of consecutive naturals, for example, 156387 + ... + 156429.

It is an arithmetic number, because the mean of its divisors is an integer number (165000).

Almost surely, 2^6725544 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 6725544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10560000).

6725544 is an abundant number, since it is smaller than the sum of its proper divisors (14394456).

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

6725544 is a wasteful number, since it uses less digits than its factorization.

6725544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 74 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 6725544 is about 2593.3653811216. The cubic root of 6725544 is about 188.7596395820.

It can be divided in two parts, 672 and 5544, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 6725544 in words is "six million, seven hundred twenty-five thousand, five hundred forty-four".