744161 has 4 divisors (see below), whose sum is σ = 811824. Its totient is φ = 676500.

The previous prime is 744137. The next prime is 744179. The reversal of 744161 is 161447.

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.

It is not a de Polignac number, because 744161 - 2¹⁰ = 743137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744661) 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 3 ways as a sum of consecutive naturals, for example, 33815 + ... + 33836.

It is an arithmetic number, because the mean of its divisors is an integer number (202956).

2⁷⁴⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

744161 is a deficient number, since it is larger than the sum of its proper divisors (67663).

744161 is a wasteful number, since it uses less digits than its factorization.

744161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67662.

The product of its digits is 672, while the sum is 23.

The square root of 744161 is about 862.6476685183. The cubic root of 744161 is about 90.6196336101.

The spelling of 744161 in words is "seven hundred forty-four thousand, one hundred sixty-one".