720414481 has 2 divisors, whose sum is σ = 720414482. Its totient is φ = 720414480.

The previous prime is 720414467. The next prime is 720414503. The reversal of 720414481 is 184414027.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 691427025 + 28987456 = 26295^2 + 5384^2 .

It is a cyclic number.

It is not a de Polignac number, because 720414481 - 2¹³ = 720406289 is a prime.

It is a super-2 number, since 2×720414481² = 1037994048868998722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (720414421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360207240 + 360207241.

It is an arithmetic number, because the mean of its divisors is an integer number (360207241).

Almost surely, 2^720414481 is an apocalyptic number.

It is an amenable number.

720414481 is a deficient number, since it is larger than the sum of its proper divisors (1).

720414481 is an equidigital number, since it uses as much as digits as its factorization.

720414481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 720414481 is about 26840.5380162172. The cubic root of 720414481 is about 896.4529030900.

The spelling of 720414481 in words is "seven hundred twenty million, four hundred fourteen thousand, four hundred eighty-one".