6872648 has 8 divisors (see below), whose sum is σ = 12886230. Its totient is φ = 3436320.

The previous prime is 6872633. The next prime is 6872651. The reversal of 6872648 is 8462786.

It can be written as a sum of positive squares in only one way, i.e., 5484964 + 1387684 = 2342^2 + 1178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×6872648³ (a number of 21 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 429533 + ... + 429548.

Almost surely, 2^6872648 is an apocalyptic number.

It is an amenable number.

6872648 is a deficient number, since it is larger than the sum of its proper divisors (6013582).

6872648 is a wasteful number, since it uses less digits than its factorization.

6872648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859087 (or 859083 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 6872648 is about 2621.5735732571. The cubic root of 6872648 is about 190.1259368214.

The spelling of 6872648 in words is "six million, eight hundred seventy-two thousand, six hundred forty-eight".