16673472 has 56 divisors (see below), whose sum is σ = 49022000. Its totient is φ = 5557248.

The previous prime is 16673401. The next prime is 16673491. The reversal of 16673472 is 27437661.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097 + ... + 6552.

Almost surely, 2^16673472 is an apocalyptic number.

16673472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16673472 is an abundant number, since it is smaller than the sum of its proper divisors (32348528).

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

16673472 is an equidigital number, since it uses as much as digits as its factorization.

16673472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670 (or 9654 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 16673472 is about 4083.3162992842. The cubic root of 16673472 is about 255.4712393411.

The spelling of 16673472 in words is "sixteen million, six hundred seventy-three thousand, four hundred seventy-two".