6872973 has 4 divisors (see below), whose sum is σ = 9163968. Its totient is φ = 4581980.

The previous prime is 6872963. The next prime is 6873001. The reversal of 6872973 is 3792786.

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 a cyclic number.

It is not a de Polignac number, because 6872973 - 2⁵ = 6872941 is a prime.

It is a D-number.

6872973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6872933) 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, 1145493 + ... + 1145498.

It is an arithmetic number, because the mean of its divisors is an integer number (2290992).

Almost surely, 2^6872973 is an apocalyptic number.

It is an amenable number.

6872973 is a deficient number, since it is larger than the sum of its proper divisors (2290995).

6872973 is a wasteful number, since it uses less digits than its factorization.

6872973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290994.

The product of its digits is 127008, while the sum is 42.

The square root of 6872973 is about 2621.6355581964. The cubic root of 6872973 is about 190.1289337233.

The spelling of 6872973 in words is "six million, eight hundred seventy-two thousand, nine hundred seventy-three".