6872505 has 16 divisors (see below), whose sum is σ = 11643264. Its totient is φ = 3449600.

The previous prime is 6872501. The next prime is 6872513. The reversal of 6872505 is 5052786.

It is a happy number.

6872505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6872505 - 2² = 6872501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6872501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13221 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (727704).

Almost surely, 2^6872505 is an apocalyptic number.

It is an amenable number.

6872505 is a deficient number, since it is larger than the sum of its proper divisors (4770759).

6872505 is a wasteful number, since it uses less digits than its factorization.

6872505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26976.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 6872505 is about 2621.5462994195. The cubic root of 6872505 is about 190.1246181546.

The spelling of 6872505 in words is "six million, eight hundred seventy-two thousand, five hundred five".