744744945705 has 16 divisors (see below), whose sum is σ = 1191679074240. Its totient is φ = 397168250688.

The previous prime is 744744945649. The next prime is 744744945719. The reversal of 744744945705 is 507549447447.

It is not a de Polignac number, because 744744945705 - 2⁸ = 744744945449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603150 + ... + 2014839.

It is an arithmetic number, because the mean of its divisors is an integer number (74479942140).

Almost surely, 2^744744945705 is an apocalyptic number.

It is an amenable number.

744744945705 is a deficient number, since it is larger than the sum of its proper divisors (446934128535).

744744945705 is a wasteful number, since it uses less digits than its factorization.

744744945705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631720.

The product of its (nonzero) digits is 79027200, while the sum is 60.

The spelling of 744744945705 in words is "seven hundred forty-four billion, seven hundred forty-four million, nine hundred forty-five thousand, seven hundred five".