6872273138 has 8 divisors (see below), whose sum is σ = 10559834460. Its totient is φ = 3352328320.

The previous prime is 6872273117. The next prime is 6872273141. The reversal of 6872273138 is 8313722786.

It can be written as a sum of positive squares in 2 ways, for example, as 6859649329 + 12623809 = 82823^2 + 3553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6872273092 and 6872273101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41904023 + ... + 41904186.

Almost surely, 2^6872273138 is an apocalyptic number.

6872273138 is a deficient number, since it is larger than the sum of its proper divisors (3687561322).

6872273138 is a wasteful number, since it uses less digits than its factorization.

6872273138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83808252.

The product of its digits is 677376, while the sum is 47.

The square root of 6872273138 is about 82899.1745314753. The cubic root of 6872273138 is about 1901.2248001284.

The spelling of 6872273138 in words is "six billion, eight hundred seventy-two million, two hundred seventy-three thousand, one hundred thirty-eight".