744331 has 8 divisors (see below), whose sum is σ = 859104. Its totient is φ = 631680.

The previous prime is 744313. The next prime is 744353. The reversal of 744331 is 133447.

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 744331 - 2⁷ = 744203 is a prime.

It is a super-2 number, since 2×744331² = 1108057275122, which contains 22 as substring.

It is a Duffinian number.

744331 is a lucky number.

It is a nialpdrome in base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (744301) 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, 321 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (107388).

2⁷⁴⁴³³¹ is an apocalyptic number.

744331 is a deficient number, since it is larger than the sum of its proper divisors (114773).

744331 is a wasteful number, since it uses less digits than its factorization.

744331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its digits is 1008, while the sum is 22.

The square root of 744331 is about 862.7461967462. The cubic root of 744331 is about 90.6265336245.

Adding to 744331 its reverse (133447), we get a palindrome (877778).

The spelling of 744331 in words is "seven hundred forty-four thousand, three hundred thirty-one".