720204097 has 2 divisors, whose sum is σ = 720204098. Its totient is φ = 720204096.

The previous prime is 720204061. The next prime is 720204127. The reversal of 720204097 is 790402027.

It is a happy number.

720204097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623201296 + 97002801 = 24964^2 + 9849^2 .

It is an emirp because it is prime and its reverse (790402027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 720204097 - 2⁷ = 720203969 is a prime.

It is not a weakly prime, because it can be changed into another prime (720204007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360102048 + 360102049.

It is an arithmetic number, because the mean of its divisors is an integer number (360102049).

Almost surely, 2^720204097 is an apocalyptic number.

It is an amenable number.

720204097 is a deficient number, since it is larger than the sum of its proper divisors (1).

720204097 is an equidigital number, since it uses as much as digits as its factorization.

720204097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 720204097 is about 26836.6185835697. The cubic root of 720204097 is about 896.3656303165.

The spelling of 720204097 in words is "seven hundred twenty million, two hundred four thousand, ninety-seven".