744871 has 4 divisors (see below), whose sum is σ = 757144. Its totient is φ = 732600.

The previous prime is 744859. The next prime is 744893. The reversal of 744871 is 178447.

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 744871 - 2¹³ = 736679 is a prime.

It is a Duffinian number.

744871 is a lucky 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 (744811) 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, 6045 + ... + 6166.

It is an arithmetic number, because the mean of its divisors is an integer number (189286).

2⁷⁴⁴⁸⁷¹ is an apocalyptic number.

744871 is a deficient number, since it is larger than the sum of its proper divisors (12273).

744871 is a wasteful number, since it uses less digits than its factorization.

744871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272.

The product of its digits is 6272, while the sum is 31.

The square root of 744871 is about 863.0590941529. The cubic root of 744871 is about 90.6484443507.

The spelling of 744871 in words is "seven hundred forty-four thousand, eight hundred seventy-one".