6872144 has 10 divisors (see below), whose sum is σ = 13314810. Its totient is φ = 3436064.

The previous prime is 6872137. The next prime is 6872149. The reversal of 6872144 is 4412786.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 7744 = 2620^2 + 88^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6872144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6872149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214739 + ... + 214770.

It is an arithmetic number, because the mean of its divisors is an integer number (1331481).

Almost surely, 2^6872144 is an apocalyptic number.

It is an amenable number.

6872144 is a deficient number, since it is larger than the sum of its proper divisors (6442666).

6872144 is a wasteful number, since it uses less digits than its factorization.

6872144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429517 (or 429511 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 6872144 is about 2621.4774460216. The cubic root of 6872144 is about 190.1212891313.

The spelling of 6872144 in words is "six million, eight hundred seventy-two thousand, one hundred forty-four".