720316763 has 2 divisors, whose sum is σ = 720316764. Its totient is φ = 720316762.

The previous prime is 720316739. The next prime is 720316873. The reversal of 720316763 is 367613027.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (367613027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 720316763 - 2²⁶ = 653207899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (720315763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360158381 + 360158382.

It is an arithmetic number, because the mean of its divisors is an integer number (360158382).

Almost surely, 2^720316763 is an apocalyptic number.

720316763 is a deficient number, since it is larger than the sum of its proper divisors (1).

720316763 is an equidigital number, since it uses as much as digits as its factorization.

720316763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 720316763 is about 26838.7176109441. The cubic root of 720316763 is about 896.4123692269.

The spelling of 720316763 in words is "seven hundred twenty million, three hundred sixteen thousand, seven hundred sixty-three".