720786463 has 2 divisors, whose sum is σ = 720786464. Its totient is φ = 720786462.

The previous prime is 720786419. The next prime is 720786541. The reversal of 720786463 is 364687027.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720786463 - 2¹³ = 720778271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720786403) 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, 360393231 + 360393232.

It is an arithmetic number, because the mean of its divisors is an integer number (360393232).

Almost surely, 2^720786463 is an apocalyptic number.

720786463 is a deficient number, since it is larger than the sum of its proper divisors (1).

720786463 is an equidigital number, since it uses as much as digits as its factorization.

720786463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 720786463 is about 26847.4666030149. The cubic root of 720786463 is about 896.6071693607.

The spelling of 720786463 in words is "seven hundred twenty million, seven hundred eighty-six thousand, four hundred sixty-three".