16704680 has 16 divisors (see below), whose sum is σ = 37585620. Its totient is φ = 6681856.

The previous prime is 16704673. The next prime is 16704689. The reversal of 16704680 is 8640761.

It can be written as a sum of positive squares in 2 ways, for example, as 15507844 + 1196836 = 3938^2 + 1094^2 .

It is not an unprimeable number, because it can be changed into a prime (16704689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208769 + ... + 208848.

Almost surely, 2^16704680 is an apocalyptic number.

16704680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16704680 is an abundant number, since it is smaller than the sum of its proper divisors (20880940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16704680 is a wasteful number, since it uses less digits than its factorization.

16704680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417628 (or 417624 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16704680 is about 4087.1359165068. The cubic root of 16704680 is about 255.6305298469.

The spelling of 16704680 in words is "sixteen million, seven hundred four thousand, six hundred eighty".