744773 has 4 divisors (see below), whose sum is σ = 764940. Its totient is φ = 724608.

The previous prime is 744767. The next prime is 744791. The reversal of 744773 is 377447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 77284 = 817^2 + 278^2 .

It is a de Polignac number, because none of the positive numbers 2^k-744773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746773) 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 3 ways as a sum of consecutive naturals, for example, 10028 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (191235).

2⁷⁴⁴⁷⁷³ is an apocalyptic number.

It is an amenable number.

744773 is a deficient number, since it is larger than the sum of its proper divisors (20167).

744773 is a wasteful number, since it uses less digits than its factorization.

744773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166.

The product of its digits is 16464, while the sum is 32.

The square root of 744773 is about 863.0023174940. The cubic root of 744773 is about 90.6444687463.

The spelling of 744773 in words is "seven hundred forty-four thousand, seven hundred seventy-three", and thus it is an iban number.