6720800071 has 2 divisors, whose sum is σ = 6720800072. Its totient is φ = 6720800070.

The previous prime is 6720800041. The next prime is 6720800129. The reversal of 6720800071 is 1700080276.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6720800071 - 2⁹ = 6720799559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6720800011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360400035 + 3360400036.

It is an arithmetic number, because the mean of its divisors is an integer number (3360400036).

Almost surely, 2^6720800071 is an apocalyptic number.

6720800071 is a deficient number, since it is larger than the sum of its proper divisors (1).

6720800071 is an equidigital number, since it uses as much as digits as its factorization.

6720800071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 6720800071 is about 81980.4859158568. The cubic root of 6720800071 is about 1887.1524798321.

The spelling of 6720800071 in words is "six billion, seven hundred twenty million, eight hundred thousand, seventy-one".