744288973 has 8 divisors (see below), whose sum is σ = 770261400. Its totient is φ = 718337088.

The previous prime is 744288967. The next prime is 744288977. The reversal of 744288973 is 379882447.

It can be written as a sum of positive squares in 4 ways, for example, as 31505769 + 712783204 = 5613^2 + 26698^2 .

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 744288973 - 2¹⁷ = 744157901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 744288973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744288977) 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 in 7 ways as a sum of consecutive naturals, for example, 123883 + ... + 129751.

It is an arithmetic number, because the mean of its divisors is an integer number (96282675).

Almost surely, 2^744288973 is an apocalyptic number.

It is an amenable number.

744288973 is a deficient number, since it is larger than the sum of its proper divisors (25972427).

744288973 is a wasteful number, since it uses less digits than its factorization.

744288973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271.

The product of its digits is 2709504, while the sum is 52.

The square root of 744288973 is about 27281.6600118101. The cubic root of 744288973 is about 906.2482791691.

The spelling of 744288973 in words is "seven hundred forty-four million, two hundred eighty-eight thousand, nine hundred seventy-three".