6681272 has 32 divisors (see below), whose sum is σ = 14288400. Its totient is φ = 2901504.

The previous prime is 6681239. The next prime is 6681287. The reversal of 6681272 is 2721866.

It is a congruent number.

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, 122 + ... + 3657.

Almost surely, 2^6681272 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 6681272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7144200).

6681272 is an abundant number, since it is smaller than the sum of its proper divisors (7607128).

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

6681272 is a wasteful number, since it uses less digits than its factorization.

6681272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815 (or 3811 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 6681272 is about 2584.8156607387. The cubic root of 6681272 is about 188.3445469781.

The spelling of 6681272 in words is "six million, six hundred eighty-one thousand, two hundred seventy-two".