6627872 has 12 divisors (see below), whose sum is σ = 13048686. Its totient is φ = 3313920.

The previous prime is 6627869. The next prime is 6627877. The reversal of 6627872 is 2787266.

It can be written as a sum of positive squares in only one way, i.e., 4999696 + 1628176 = 2236^2 + 1276^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103529 + ... + 103592.

Almost surely, 2^6627872 is an apocalyptic number.

It is an amenable number.

6627872 is a deficient number, since it is larger than the sum of its proper divisors (6420814).

6627872 is a wasteful number, since it uses less digits than its factorization.

6627872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207131 (or 207123 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 6627872 is about 2574.4653813947. The cubic root of 6627872 is about 187.8414235454.

Subtracting from 6627872 its reverse (2787266), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 6627872 in words is "six million, six hundred twenty-seven thousand, eight hundred seventy-two".