720422519 has 2 divisors, whose sum is σ = 720422520. Its totient is φ = 720422518.

The previous prime is 720422501. The next prime is 720422539. The reversal of 720422519 is 915224027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720422519 - 2¹² = 720418423 is a prime.

It is a super-2 number, since 2×720422519² = 1038017211764610722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720422539) 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, 360211259 + 360211260.

It is an arithmetic number, because the mean of its divisors is an integer number (360211260).

Almost surely, 2^720422519 is an apocalyptic number.

720422519 is a deficient number, since it is larger than the sum of its proper divisors (1).

720422519 is an equidigital number, since it uses as much as digits as its factorization.

720422519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 720422519 is about 26840.6877519932. The cubic root of 720422519 is about 896.4562371252.

The spelling of 720422519 in words is "seven hundred twenty million, four hundred twenty-two thousand, five hundred nineteen".