6912973 has 4 divisors (see below), whose sum is σ = 6918268. Its totient is φ = 6907680.

The previous prime is 6912967. The next prime is 6912977. The reversal of 6912973 is 3792196.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 1814409 = 2258^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 6912973 - 2⁹ = 6912461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6912977) 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, 865 + ... + 3817.

It is an arithmetic number, because the mean of its divisors is an integer number (1729567).

Almost surely, 2^6912973 is an apocalyptic number.

It is an amenable number.

6912973 is a deficient number, since it is larger than the sum of its proper divisors (5295).

6912973 is a wasteful number, since it uses less digits than its factorization.

6912973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

The product of its digits is 20412, while the sum is 37.

The square root of 6912973 is about 2629.2533160576. The cubic root of 6912973 is about 190.4970641341.

The spelling of 6912973 in words is "six million, nine hundred twelve thousand, nine hundred seventy-three".