744673 has 6 divisors (see below), whose sum is σ = 762422. Its totient is φ = 727200.

The previous prime is 744661. The next prime is 744677. The reversal of 744673 is 376447.

It can be written as a sum of positive squares in 3 ways, for example, as 535824 + 208849 = 732^2 + 457^2 .

It is not a de Polignac number, because 744673 - 2⁵ = 744641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7323 + ... + 7423.

2⁷⁴⁴⁶⁷³ is an apocalyptic number.

744673 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

744673 is a deficient number, since it is larger than the sum of its proper divisors (17749).

744673 is an equidigital number, since it uses as much as digits as its factorization.

744673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 174 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 744673 is about 862.9443782771. The cubic root of 744673 is about 90.6404116477.

The spelling of 744673 in words is "seven hundred forty-four thousand, six hundred seventy-three".