744805441 has 2 divisors, whose sum is σ = 744805442. Its totient is φ = 744805440.

The previous prime is 744805429. The next prime is 744805447. The reversal of 744805441 is 144508447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403849216 + 340956225 = 20096^2 + 18465^2 .

It is an emirp because it is prime and its reverse (144508447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744805441 - 2¹⁷ = 744674369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 744805441.

It is not a weakly prime, because it can be changed into another prime (744805447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372402720 + 372402721.

It is an arithmetic number, because the mean of its divisors is an integer number (372402721).

Almost surely, 2^744805441 is an apocalyptic number.

It is an amenable number.

744805441 is a deficient number, since it is larger than the sum of its proper divisors (1).

744805441 is an equidigital number, since it uses as much as digits as its factorization.

744805441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 744805441 is about 27291.1238500726. The cubic root of 744805441 is about 906.4578483169.

The spelling of 744805441 in words is "seven hundred forty-four million, eight hundred five thousand, four hundred forty-one".