6979873 has 4 divisors (see below), whose sum is σ = 6985648. Its totient is φ = 6974100.

The previous prime is 6979871. The next prime is 6979883. The reversal of 6979873 is 3789796.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6979873 - 2¹ = 6979871 is a prime.

It is a super-2 number, since 2×6979873² = 97437254192258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6979871) 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, 303 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (1746412).

Almost surely, 2^6979873 is an apocalyptic number.

It is an amenable number.

6979873 is a deficient number, since it is larger than the sum of its proper divisors (5775).

6979873 is a wasteful number, since it uses less digits than its factorization.

6979873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774.

The product of its digits is 571536, while the sum is 49.

The square root of 6979873 is about 2641.9449275108. The cubic root of 6979873 is about 191.1096014869.

The spelling of 6979873 in words is "six million, nine hundred seventy-nine thousand, eight hundred seventy-three".