744541 has 4 divisors (see below), whose sum is σ = 850912. Its totient is φ = 638172.

The previous prime is 744539. The next prime is 744547. The reversal of 744541 is 145447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145447 = 37 ⋅3931.

It is a cyclic number.

It is not a de Polignac number, because 744541 - 2¹ = 744539 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53175 + ... + 53188.

It is an arithmetic number, because the mean of its divisors is an integer number (212728).

2⁷⁴⁴⁵⁴¹ is an apocalyptic number.

It is an amenable number.

744541 is a deficient number, since it is larger than the sum of its proper divisors (106371).

744541 is a wasteful number, since it uses less digits than its factorization.

744541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106370.

The product of its digits is 2240, while the sum is 25.

The square root of 744541 is about 862.8678925537. The cubic root of 744541 is about 90.6350557213.

Adding to 744541 its reverse (145447), we get a palindrome (889988).

The spelling of 744541 in words is "seven hundred forty-four thousand, five hundred forty-one".