720327763 has 2 divisors, whose sum is σ = 720327764. Its totient is φ = 720327762.

The previous prime is 720327743. The next prime is 720327793. The reversal of 720327763 is 367723027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720327763 - 2¹³ = 720319571 is a prime.

It is a super-2 number, since 2×720327763² = 1037744172297168338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (720327733) 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, 360163881 + 360163882.

It is an arithmetic number, because the mean of its divisors is an integer number (360163882).

Almost surely, 2^720327763 is an apocalyptic number.

720327763 is a deficient number, since it is larger than the sum of its proper divisors (1).

720327763 is an equidigital number, since it uses as much as digits as its factorization.

720327763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 720327763 is about 26838.9225379858. The cubic root of 720327763 is about 896.4169322592.

The spelling of 720327763 in words is "seven hundred twenty million, three hundred twenty-seven thousand, seven hundred sixty-three".