744506 has 24 divisors (see below), whose sum is σ = 1329696. Its totient is φ = 311640.

The previous prime is 744503. The next prime is 744511. The reversal of 744506 is 605447.

It is not an unprimeable number, because it can be changed into a prime (744503) 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 11 ways as a sum of consecutive naturals, for example, 6905 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (55404).

2⁷⁴⁴⁵⁰⁶ is an apocalyptic number.

744506 is a deficient number, since it is larger than the sum of its proper divisors (585190).

744506 is a wasteful number, since it uses less digits than its factorization.

744506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 744506 is about 862.8476111110. The cubic root of 744506 is about 90.6336354831.

The spelling of 744506 in words is "seven hundred forty-four thousand, five hundred six".