6720105847 has 8 divisors (see below), whose sum is σ = 8270899616. Its totient is φ = 5317006752.

The previous prime is 6720105827. The next prime is 6720105857. The reversal of 6720105847 is 7485010276.

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

It is a cyclic number.

It is not a de Polignac number, because 6720105847 - 2⁷ = 6720105719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720105827) 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 7 ways as a sum of consecutive naturals, for example, 36923568 + ... + 36923749.

It is an arithmetic number, because the mean of its divisors is an integer number (1033862452).

Almost surely, 2^6720105847 is an apocalyptic number.

6720105847 is a deficient number, since it is larger than the sum of its proper divisors (1550793769).

6720105847 is a wasteful number, since it uses less digits than its factorization.

6720105847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73847337.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 6720105847 is about 81976.2517257285. The cubic root of 6720105847 is about 1887.0874998872.

The spelling of 6720105847 in words is "six billion, seven hundred twenty million, one hundred five thousand, eight hundred forty-seven".