720720974047 has 2 divisors, whose sum is σ = 720720974048. Its totient is φ = 720720974046.

The previous prime is 720720974041. The next prime is 720720974153. The reversal of 720720974047 is 740479027027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720720974047 - 2¹⁹ = 720720449759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720720974041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360360487023 + 360360487024.

It is an arithmetic number, because the mean of its divisors is an integer number (360360487024).

Almost surely, 2^720720974047 is an apocalyptic number.

720720974047 is a deficient number, since it is larger than the sum of its proper divisors (1).

720720974047 is an equidigital number, since it uses as much as digits as its factorization.

720720974047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The spelling of 720720974047 in words is "seven hundred twenty billion, seven hundred twenty million, nine hundred seventy-four thousand, forty-seven".