744585949 has 2 divisors, whose sum is σ = 744585950. Its totient is φ = 744585948.

The previous prime is 744585913. The next prime is 744585971. The reversal of 744585949 is 949585447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697224025 + 47361924 = 26405^2 + 6882^2 .

It is a cyclic number.

It is not a de Polignac number, because 744585949 - 2⁹ = 744585437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 744585949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744585749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372292974 + 372292975.

It is an arithmetic number, because the mean of its divisors is an integer number (372292975).

Almost surely, 2^744585949 is an apocalyptic number.

It is an amenable number.

744585949 is a deficient number, since it is larger than the sum of its proper divisors (1).

744585949 is an equidigital number, since it uses as much as digits as its factorization.

744585949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 55.

The square root of 744585949 is about 27287.1022462994. The cubic root of 744585949 is about 906.3687960702.

The spelling of 744585949 in words is "seven hundred forty-four million, five hundred eighty-five thousand, nine hundred forty-nine".