720619699 has 2 divisors, whose sum is σ = 720619700. Its totient is φ = 720619698.

The previous prime is 720619667. The next prime is 720619703. The reversal of 720619699 is 996916027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 720619699 - 2⁵ = 720619667 is a prime.

It is not a weakly prime, because it can be changed into another prime (720619199) 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, 360309849 + 360309850.

It is an arithmetic number, because the mean of its divisors is an integer number (360309850).

Almost surely, 2^720619699 is an apocalyptic number.

720619699 is a deficient number, since it is larger than the sum of its proper divisors (1).

720619699 is an equidigital number, since it uses as much as digits as its factorization.

720619699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 720619699 is about 26844.3606554524. The cubic root of 720619699 is about 896.5380165032.

The spelling of 720619699 in words is "seven hundred twenty million, six hundred nineteen thousand, six hundred ninety-nine".