744242 has 4 divisors (see below), whose sum is σ = 1116366. Its totient is φ = 372120.

The previous prime is 744239. The next prime is 744251. The reversal of 744242 is 242447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 591361 + 152881 = 769^2 + 391^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 186059 + ... + 186062.

2⁷⁴⁴²⁴² is an apocalyptic number.

744242 is a deficient number, since it is larger than the sum of its proper divisors (372124).

744242 is a wasteful number, since it uses less digits than its factorization.

744242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372123.

The product of its digits is 1792, while the sum is 23.

The square root of 744242 is about 862.6946157245. The cubic root of 744242 is about 90.6229213951.

Adding to 744242 its reverse (242447), we get a palindrome (986689).

The spelling of 744242 in words is "seven hundred forty-four thousand, two hundred forty-two", and thus it is an iban number.