744709 has 8 divisors (see below), whose sum is σ = 857088. Its totient is φ = 633840.

The previous prime is 744707. The next prime is 744721. The reversal of 744709 is 907447.

744709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744709 - 2¹ = 744707 is a prime.

It is a Duffinian number.

744709 is a lucky number.

It is a plaindrome in base 14.

It is a nialpdrome in base 7.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1059 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (107136).

2⁷⁴⁴⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

744709 is a deficient number, since it is larger than the sum of its proper divisors (112379).

744709 is a wasteful number, since it uses less digits than its factorization.

744709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 744709 is about 862.9652368433. The cubic root of 744709 is about 90.6418722450.

The spelling of 744709 in words is "seven hundred forty-four thousand, seven hundred nine".