720703141 has 2 divisors, whose sum is σ = 720703142. Its totient is φ = 720703140.

The previous prime is 720703133. The next prime is 720703163. The reversal of 720703141 is 141307027.

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., 526518916 + 194184225 = 22946^2 + 13935^2 .

It is an emirp because it is prime and its reverse (141307027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 720703141 - 2³ = 720703133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720703111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360351570 + 360351571.

It is an arithmetic number, because the mean of its divisors is an integer number (360351571).

Almost surely, 2^720703141 is an apocalyptic number.

It is an amenable number.

720703141 is a deficient number, since it is larger than the sum of its proper divisors (1).

720703141 is an equidigital number, since it uses as much as digits as its factorization.

720703141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 720703141 is about 26845.9147916401. The cubic root of 720703141 is about 896.5726191459.

The spelling of 720703141 in words is "seven hundred twenty million, seven hundred three thousand, one hundred forty-one".