16704345 has 24 divisors (see below), whose sum is σ = 31091904. Its totient is φ = 7635936.

The previous prime is 16704341. The next prime is 16704367. The reversal of 16704345 is 54340761.

It is not a de Polignac number, because 16704345 - 2² = 16704341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16704341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10629 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (1295496).

Almost surely, 2^16704345 is an apocalyptic number.

16704345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16704345 is a deficient number, since it is larger than the sum of its proper divisors (14387559).

16704345 is a wasteful number, since it uses less digits than its factorization.

16704345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22749 (or 22742 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 16704345 is about 4087.0949340577. The cubic root of 16704345 is about 255.6288210084.

The spelling of 16704345 in words is "sixteen million, seven hundred four thousand, three hundred forty-five".