718223741 has 2 divisors, whose sum is σ = 718223742. Its totient is φ = 718223740.

The previous prime is 718223689. The next prime is 718223777. The reversal of 718223741 is 147322817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623550841 + 94672900 = 24971^2 + 9730^2 .

It is an emirp because it is prime and its reverse (147322817) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-718223741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718223641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359111870 + 359111871.

It is an arithmetic number, because the mean of its divisors is an integer number (359111871).

Almost surely, 2^718223741 is an apocalyptic number.

It is an amenable number.

718223741 is a deficient number, since it is larger than the sum of its proper divisors (1).

718223741 is an equidigital number, since it uses as much as digits as its factorization.

718223741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 718223741 is about 26799.6966587310. The cubic root of 718223741 is about 895.5432927878.

The spelling of 718223741 in words is "seven hundred eighteen million, two hundred twenty-three thousand, seven hundred forty-one".