744671 has 4 divisors (see below), whose sum is σ = 777072. Its totient is φ = 712272.

The previous prime is 744661. The next prime is 744677. The reversal of 744671 is 176447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176447 = 101 ⋅1747.

It is a cyclic number.

It is not a de Polignac number, because 744671 - 2⁶ = 744607 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 (744677) 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, 16166 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (194268).

2⁷⁴⁴⁶⁷¹ is an apocalyptic number.

744671 is a deficient number, since it is larger than the sum of its proper divisors (32401).

744671 is a wasteful number, since it uses less digits than its factorization.

744671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32400.

The product of its digits is 4704, while the sum is 29.

The square root of 744671 is about 862.9432194531. The cubic root of 744671 is about 90.6403305020.

The spelling of 744671 in words is "seven hundred forty-four thousand, six hundred seventy-one".