744667 has 16 divisors (see below), whose sum is σ = 979200. Its totient is φ = 548640.

The previous prime is 744661. The next prime is 744677. The reversal of 744667 is 766447.

It is a cyclic number.

It is not a de Polignac number, because 744667 - 2³ = 744659 is a prime.

It is a Duffinian number.

744667 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (744661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2⁷⁴⁴⁶⁶⁷ is an apocalyptic number.

744667 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

744667 is a deficient number, since it is larger than the sum of its proper divisors (234533).

744667 is a wasteful number, since it uses less digits than its factorization.

744667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 28224, while the sum is 34.

The square root of 744667 is about 862.9409018003. The cubic root of 744667 is about 90.6401682102.

The spelling of 744667 in words is "seven hundred forty-four thousand, six hundred sixty-seven".