744591 has 8 divisors (see below), whose sum is σ = 1045120. Its totient is φ = 470232.

The previous prime is 744559. The next prime is 744599. The reversal of 744591 is 195447.

It is a happy number.

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

It is not a de Polignac number, because 744591 - 2⁵ = 744559 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 (744599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (130640).

2⁷⁴⁴⁵⁹¹ is an apocalyptic number.

744591 is a deficient number, since it is larger than the sum of its proper divisors (300529).

744591 is a wasteful number, since it uses less digits than its factorization.

744591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085.

The product of its digits is 5040, while the sum is 30.

The square root of 744591 is about 862.8968652162. The cubic root of 744591 is about 90.6370845558.

The spelling of 744591 in words is "seven hundred forty-four thousand, five hundred ninety-one".