6872961 has 4 divisors (see below), whose sum is σ = 9163952. Its totient is φ = 4581972.

The previous prime is 6872959. The next prime is 6872963. The reversal of 6872961 is 1692786.

6872961 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6872959) and next prime (6872963).

It is not a de Polignac number, because 6872961 - 2¹ = 6872959 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6872963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145491 + ... + 1145496.

It is an arithmetic number, because the mean of its divisors is an integer number (2290988).

Almost surely, 2^6872961 is an apocalyptic number.

It is an amenable number.

6872961 is a deficient number, since it is larger than the sum of its proper divisors (2290991).

6872961 is a wasteful number, since it uses less digits than its factorization.

6872961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290990.

The product of its digits is 36288, while the sum is 39.

The square root of 6872961 is about 2621.6332695478. The cubic root of 6872961 is about 190.1288230701.

The spelling of 6872961 in words is "six million, eight hundred seventy-two thousand, nine hundred sixty-one".