6781973372 has 24 divisors (see below), whose sum is σ = 12046265280. Its totient is φ = 3340465920.

The previous prime is 6781973369. The next prime is 6781973377. The reversal of 6781973372 is 2733791876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6781973377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61328 + ... + 131624.

It is an arithmetic number, because the mean of its divisors is an integer number (501927720).

Almost surely, 2^6781973372 is an apocalyptic number.

It is an amenable number.

6781973372 is a deficient number, since it is larger than the sum of its proper divisors (5264291908).

6781973372 is a wasteful number, since it uses less digits than its factorization.

6781973372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70661 (or 70659 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 53.

The square root of 6781973372 is about 82352.7374894120. The cubic root of 6781973372 is about 1892.8608700792.

The spelling of 6781973372 in words is "six billion, seven hundred eighty-one million, nine hundred seventy-three thousand, three hundred seventy-two".