720550079 has 2 divisors, whose sum is σ = 720550080. Its totient is φ = 720550078.

The previous prime is 720550063. The next prime is 720550109. The reversal of 720550079 is 970055027.

It is a weak prime.

It is an emirp because it is prime and its reverse (970055027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 720550079 - 2⁴ = 720550063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720550009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360275039 + 360275040.

It is an arithmetic number, because the mean of its divisors is an integer number (360275040).

Almost surely, 2^720550079 is an apocalyptic number.

720550079 is a deficient number, since it is larger than the sum of its proper divisors (1).

720550079 is an equidigital number, since it uses as much as digits as its factorization.

720550079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 720550079 is about 26843.0638899512. The cubic root of 720550079 is about 896.5091436747.

The spelling of 720550079 in words is "seven hundred twenty million, five hundred fifty thousand, seventy-nine".