744906868 has 12 divisors (see below), whose sum is σ = 1324957732. Its totient is φ = 366347520.

The previous prime is 744906863. The next prime is 744906881. The reversal of 744906868 is 868609447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 299359204 + 445547664 = 17302^2 + 21108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744906863) 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 in 3 ways as a sum of consecutive naturals, for example, 1526205 + ... + 1526692.

Almost surely, 2^744906868 is an apocalyptic number.

It is an amenable number.

744906868 is a deficient number, since it is larger than the sum of its proper divisors (580050864).

744906868 is a wasteful number, since it uses less digits than its factorization.

744906868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052962 (or 3052960 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 744906868 is about 27292.9820283530. The cubic root of 744906868 is about 906.4989933471.

The spelling of 744906868 in words is "seven hundred forty-four million, nine hundred six thousand, eight hundred sixty-eight".