744347 has 4 divisors (see below), whose sum is σ = 750336. Its totient is φ = 738360.

The previous prime is 744313. The next prime is 744353. The reversal of 744347 is 743447.

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

It is a cyclic number.

It is not a de Polignac number, because 744347 - 2⁶ = 744283 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 744347.

It is not an unprimeable number, because it can be changed into a prime (744377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (187584).

2⁷⁴⁴³⁴⁷ is an apocalyptic number.

744347 is a deficient number, since it is larger than the sum of its proper divisors (5989).

744347 is a wasteful number, since it uses less digits than its factorization.

744347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988.

The product of its digits is 9408, while the sum is 29.

The square root of 744347 is about 862.7554694118. The cubic root of 744347 is about 90.6271829835.

Subtracting from 744347 its reverse (743447), we obtain a square (900 = 30²).

The spelling of 744347 in words is "seven hundred forty-four thousand, three hundred forty-seven", and thus it is an iban number.