6732879981 has 16 divisors (see below), whose sum is σ = 9058904064. Its totient is φ = 4447808064.

The previous prime is 6732879977. The next prime is 6732879997. The reversal of 6732879981 is 1899782376.

It is not a de Polignac number, because 6732879981 - 2² = 6732879977 is a prime.

It is a super-2 number, since 2×6732879981² = 90663345677101120722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6732879911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 314635 + ... + 335351.

It is an arithmetic number, because the mean of its divisors is an integer number (566181504).

Almost surely, 2^6732879981 is an apocalyptic number.

It is an amenable number.

6732879981 is a deficient number, since it is larger than the sum of its proper divisors (2326024083).

6732879981 is a wasteful number, since it uses less digits than its factorization.

6732879981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21700.

The product of its digits is 9144576, while the sum is 60.

The square root of 6732879981 is about 82054.1283604914. The cubic root of 6732879981 is about 1888.2824538101.

The spelling of 6732879981 in words is "six billion, seven hundred thirty-two million, eight hundred seventy-nine thousand, nine hundred eighty-one".