6720851372 has 12 divisors (see below), whose sum is σ = 11910370080. Its totient is φ = 3317888496.

The previous prime is 6720851359. The next prime is 6720851377. The reversal of 6720851372 is 2731580276.

It is not an unprimeable number, because it can be changed into a prime (6720851377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10633943 + ... + 10634574.

It is an arithmetic number, because the mean of its divisors is an integer number (992530840).

Almost surely, 2^6720851372 is an apocalyptic number.

It is an amenable number.

6720851372 is a deficient number, since it is larger than the sum of its proper divisors (5189518708).

6720851372 is a wasteful number, since it uses less digits than its factorization.

6720851372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21268600 (or 21268598 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 6720851372 is about 81980.7988006948. The cubic root of 6720851372 is about 1887.1572814709.

The spelling of 6720851372 in words is "six billion, seven hundred twenty million, eight hundred fifty-one thousand, three hundred seventy-two".