16744005 has 24 divisors (see below), whose sum is σ = 29379168. Its totient is φ = 8820576.

The previous prime is 16743983. The next prime is 16744009. The reversal of 16744005 is 50044761.

It is not a de Polignac number, because 16744005 - 2¹⁷ = 16612933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16744005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16744009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (1224132).

Almost surely, 2^16744005 is an apocalyptic number.

16744005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16744005 is a deficient number, since it is larger than the sum of its proper divisors (12635163).

16744005 is a wasteful number, since it uses less digits than its factorization.

16744005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16744005 is about 4091.9439145717. The cubic root of 16744005 is about 255.8309685354.

Adding to 16744005 its reverse (50044761), we get a palindrome (66788766).

The spelling of 16744005 in words is "sixteen million, seven hundred forty-four thousand, five".