6720831074 has 12 divisors (see below), whose sum is σ = 10158842022. Its totient is φ = 3334746480.

The previous prime is 6720831059. The next prime is 6720831097. The reversal of 6720831074 is 4701380276.

6720831074 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5673855625 + 1046975449 = 75325^2 + 32357^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 63587 + ... + 132230.

Almost surely, 2^6720831074 is an apocalyptic number.

6720831074 is a deficient number, since it is larger than the sum of its proper divisors (3438010948).

6720831074 is a wasteful number, since it uses less digits than its factorization.

6720831074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196081 (or 195950 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 6720831074 is about 81980.6750033201. The cubic root of 6720831074 is about 1887.1553816343.

The spelling of 6720831074 in words is "six billion, seven hundred twenty million, eight hundred thirty-one thousand, seventy-four".