16672704 has 28 divisors (see below), whose sum is σ = 44113704. Its totient is φ = 5557504.

The previous prime is 16672693. The next prime is 16672729. The reversal of 16672704 is 40727661.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43227 + ... + 43610.

Almost surely, 2^16672704 is an apocalyptic number.

It is an amenable number.

16672704 is an abundant number, since it is smaller than the sum of its proper divisors (27441000).

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

16672704 is an equidigital number, since it uses as much as digits as its factorization.

16672704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86852 (or 86842 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 16672704 is about 4083.2222569926. Note that the first 4 decimals coincide. The cubic root of 16672704 is about 255.4673168443.

It can be divided in two parts, 1667 and 2704, that added together give a triangular number (4371 = T₉₃).

The spelling of 16672704 in words is "sixteen million, six hundred seventy-two thousand, seven hundred four".