744705 has 48 divisors (see below), whose sum is σ = 1485120. Its totient is φ = 342144.

The previous prime is 744701. The next prime is 744707. The reversal of 744705 is 507447.

It is not a de Polignac number, because 744705 - 2² = 744701 is a prime.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11082 + ... + 11148.

It is an arithmetic number, because the mean of its divisors is an integer number (30940).

2⁷⁴⁴⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

744705 is a deficient number, since it is larger than the sum of its proper divisors (740415).

744705 is a wasteful number, since it uses less digits than its factorization.

744705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 744705 is about 862.9629192497. The cubic root of 744705 is about 90.6417099588.

The spelling of 744705 in words is "seven hundred forty-four thousand, seven hundred five".