744360161 has 2 divisors, whose sum is σ = 744360162. Its totient is φ = 744360160.

The previous prime is 744360137. The next prime is 744360179. The reversal of 744360161 is 161063447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485761600 + 258598561 = 22040^2 + 16081^2 .

It is an emirp because it is prime and its reverse (161063447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744360161 - 2²² = 740165857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (744360101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372180080 + 372180081.

It is an arithmetic number, because the mean of its divisors is an integer number (372180081).

Almost surely, 2^744360161 is an apocalyptic number.

It is an amenable number.

744360161 is a deficient number, since it is larger than the sum of its proper divisors (1).

744360161 is an equidigital number, since it uses as much as digits as its factorization.

744360161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 744360161 is about 27282.9646666194. The cubic root of 744360161 is about 906.2771711489.

The spelling of 744360161 in words is "seven hundred forty-four million, three hundred sixty thousand, one hundred sixty-one".