720328801 has 2 divisors, whose sum is σ = 720328802. Its totient is φ = 720328800.

The previous prime is 720328787. The next prime is 720328813. The reversal of 720328801 is 108823027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532501776 + 187827025 = 23076^2 + 13705^2 .

It is a cyclic number.

It is not a de Polignac number, because 720328801 - 2⁵ = 720328769 is a prime.

It is not a weakly prime, because it can be changed into another prime (720328831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360164400 + 360164401.

It is an arithmetic number, because the mean of its divisors is an integer number (360164401).

Almost surely, 2^720328801 is an apocalyptic number.

It is an amenable number.

720328801 is a deficient number, since it is larger than the sum of its proper divisors (1).

720328801 is an equidigital number, since it uses as much as digits as its factorization.

720328801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 720328801 is about 26838.9418755658. The cubic root of 720328801 is about 896.4173628411.

The spelling of 720328801 in words is "seven hundred twenty million, three hundred twenty-eight thousand, eight hundred one".