6549872 has 20 divisors (see below), whose sum is σ = 14503536. Its totient is φ = 2807040.

The previous prime is 6549859. The next prime is 6549877. The reversal of 6549872 is 2789456.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6549877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29129 + ... + 29352.

Almost surely, 2^6549872 is an apocalyptic number.

It is an amenable number.

6549872 is an abundant number, since it is smaller than the sum of its proper divisors (7953664).

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

6549872 is a wasteful number, since it uses less digits than its factorization.

6549872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58496 (or 58490 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 6549872 is about 2559.2717714225. The cubic root of 6549872 is about 187.1016443415.

The spelling of 6549872 in words is "six million, five hundred forty-nine thousand, eight hundred seventy-two".