16704245 has 4 divisors (see below), whose sum is σ = 20045100. Its totient is φ = 13363392.

The previous prime is 16704227. The next prime is 16704263. The reversal of 16704245 is 54240761.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16704227) and next prime (16704263).

It can be written as a sum of positive squares in 2 ways, for example, as 6115729 + 10588516 = 2473^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 16704245 - 2⁸ = 16703989 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1670420 + ... + 1670429.

It is an arithmetic number, because the mean of its divisors is an integer number (5011275).

Almost surely, 2^16704245 is an apocalyptic number.

It is an amenable number.

16704245 is a deficient number, since it is larger than the sum of its proper divisors (3340855).

16704245 is an equidigital number, since it uses as much as digits as its factorization.

16704245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340854.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 16704245 is about 4087.0827004111. The cubic root of 16704245 is about 255.6283109030.

The spelling of 16704245 in words is "sixteen million, seven hundred four thousand, two hundred forty-five".