718742041 has 2 divisors, whose sum is σ = 718742042. Its totient is φ = 718742040.

The previous prime is 718742029. The next prime is 718742047. The reversal of 718742041 is 140247817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698492041 + 20250000 = 26429^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 718742041 - 2¹³ = 718733849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718741988 and 718742006.

It is not a weakly prime, because it can be changed into another prime (718742047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359371020 + 359371021.

It is an arithmetic number, because the mean of its divisors is an integer number (359371021).

Almost surely, 2^718742041 is an apocalyptic number.

It is an amenable number.

718742041 is a deficient number, since it is larger than the sum of its proper divisors (1).

718742041 is an equidigital number, since it uses as much as digits as its factorization.

718742041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 718742041 is about 26809.3648003827. The cubic root of 718742041 is about 895.7586613675.

Adding to 718742041 its reverse (140247817), we get a palindrome (858989858).

The spelling of 718742041 in words is "seven hundred eighteen million, seven hundred forty-two thousand, forty-one".