6681532 has 24 divisors (see below), whose sum is σ = 13738032. Its totient is φ = 2803200.

The previous prime is 6681529. The next prime is 6681539. The reversal of 6681532 is 2351866.

It is a junction number, because it is equal to n+sod(n) for n = 6681494 and 6681503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (572418).

Almost surely, 2^6681532 is an apocalyptic number.

It is an amenable number.

6681532 is an abundant number, since it is smaller than the sum of its proper divisors (7056500).

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

6681532 is a wasteful number, since it uses less digits than its factorization.

6681532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11709 (or 11707 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 6681532 is about 2584.8659539713. The cubic root of 6681532 is about 188.3469900731.

The spelling of 6681532 in words is "six million, six hundred eighty-one thousand, five hundred thirty-two".