744545512673 has 8 divisors (see below), whose sum is σ = 783064302336. Its totient is φ = 706933047600.

The previous prime is 744545512657. The next prime is 744545512687. The reversal of 744545512673 is 376215545447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744545512673 - 2⁴ = 744545512657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744545512973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226579463 + ... + 226582748.

It is an arithmetic number, because the mean of its divisors is an integer number (97883037792).

Almost surely, 2^744545512673 is an apocalyptic number.

It is an amenable number.

744545512673 is a deficient number, since it is larger than the sum of its proper divisors (38518789663).

744545512673 is a wasteful number, since it uses less digits than its factorization.

744545512673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453162295.

The product of its digits is 14112000, while the sum is 53.

The spelling of 744545512673 in words is "seven hundred forty-four billion, five hundred forty-five million, five hundred twelve thousand, six hundred seventy-three".