718742093 has 2 divisors, whose sum is σ = 718742094. Its totient is φ = 718742092.

The previous prime is 718742047. The next prime is 718742107. The reversal of 718742093 is 390247817.

718742093 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., 545082409 + 173659684 = 23347^2 + 13178^2 .

It is a cyclic number.

It is not a de Polignac number, because 718742093 - 2⁶ = 718742029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 718742093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718742993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359371046 + 359371047.

It is an arithmetic number, because the mean of its divisors is an integer number (359371047).

Almost surely, 2^718742093 is an apocalyptic number.

It is an amenable number.

718742093 is a deficient number, since it is larger than the sum of its proper divisors (1).

718742093 is an equidigital number, since it uses as much as digits as its factorization.

718742093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 718742093 is about 26809.3657701931. The cubic root of 718742093 is about 895.7586829698.

The spelling of 718742093 in words is "seven hundred eighteen million, seven hundred forty-two thousand, ninety-three".