744706 has 4 divisors (see below), whose sum is σ = 1117062. Its totient is φ = 372352.

The previous prime is 744701. The next prime is 744707. The reversal of 744706 is 607447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607447 = 131 ⋅4637.

It can be written as a sum of positive squares in only one way, i.e., 625681 + 119025 = 791^2 + 345^2 .

It is not an unprimeable number, because it can be changed into a prime (744701) by changing a digit.

744706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186175 + ... + 186178.

2⁷⁴⁴⁷⁰⁶ is an apocalyptic number.

744706 is a deficient number, since it is larger than the sum of its proper divisors (372356).

744706 is a wasteful number, since it uses less digits than its factorization.

744706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372355.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 744706 is about 862.9634986487. The cubic root of 744706 is about 90.6417505304.

The spelling of 744706 in words is "seven hundred forty-four thousand, seven hundred six".