720772211 has 2 divisors, whose sum is σ = 720772212. Its totient is φ = 720772210.

The previous prime is 720772189. The next prime is 720772243. The reversal of 720772211 is 112277027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720772211 - 2¹⁰ = 720771187 is a prime.

It is not a weakly prime, because it can be changed into another prime (720772291) 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 as a sum of consecutive naturals, namely, 360386105 + 360386106.

It is an arithmetic number, because the mean of its divisors is an integer number (360386106).

Almost surely, 2^720772211 is an apocalyptic number.

720772211 is a deficient number, since it is larger than the sum of its proper divisors (1).

720772211 is an equidigital number, since it uses as much as digits as its factorization.

720772211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 720772211 is about 26847.2011762865. The cubic root of 720772211 is about 896.6012598298.

The spelling of 720772211 in words is "seven hundred twenty million, seven hundred seventy-two thousand, two hundred eleven".