720466501 has 2 divisors, whose sum is σ = 720466502. Its totient is φ = 720466500.

The previous prime is 720466499. The next prime is 720466531. The reversal of 720466501 is 105664027.

It is a happy number.

720466501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718186401 + 2280100 = 26799^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 720466501 - 2¹ = 720466499 is a prime.

Together with 720466499, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720466531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360233250 + 360233251.

It is an arithmetic number, because the mean of its divisors is an integer number (360233251).

Almost surely, 2^720466501 is an apocalyptic number.

It is an amenable number.

720466501 is a deficient number, since it is larger than the sum of its proper divisors (1).

720466501 is an equidigital number, since it uses as much as digits as its factorization.

720466501 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 31.

The square root of 720466501 is about 26841.5070553052. The cubic root of 720466501 is about 896.4744797235.

The spelling of 720466501 in words is "seven hundred twenty million, four hundred sixty-six thousand, five hundred one".