7211730679 has 2 divisors, whose sum is σ = 7211730680. Its totient is φ = 7211730678.

The previous prime is 7211730671. The next prime is 7211730719. The reversal of 7211730679 is 9760371127.

7211730679 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7211730679 - 2³ = 7211730671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7211730671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605865339 + 3605865340.

It is an arithmetic number, because the mean of its divisors is an integer number (3605865340).

Almost surely, 2^7211730679 is an apocalyptic number.

7211730679 is a deficient number, since it is larger than the sum of its proper divisors (1).

7211730679 is an equidigital number, since it uses as much as digits as its factorization.

7211730679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 7211730679 is about 84921.9092990731. The cubic root of 7211730679 is about 1932.0268896456.

The spelling of 7211730679 in words is "seven billion, two hundred eleven million, seven hundred thirty thousand, six hundred seventy-nine".