744491 has 8 divisors (see below), whose sum is σ = 828144. Its totient is φ = 663520.

The previous prime is 744451. The next prime is 744493. The reversal of 744491 is 194447.

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

It is not a de Polignac number, because 744491 - 2¹⁸ = 482347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744493) 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 7 ways as a sum of consecutive naturals, for example, 56 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (103518).

2⁷⁴⁴⁴⁹¹ is an apocalyptic number.

744491 is a deficient number, since it is larger than the sum of its proper divisors (83653).

744491 is a wasteful number, since it uses less digits than its factorization.

744491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its digits is 4032, while the sum is 29.

The square root of 744491 is about 862.8389189182. The cubic root of 744491 is about 90.6330267960.

The spelling of 744491 in words is "seven hundred forty-four thousand, four hundred ninety-one".