16973872 has 10 divisors (see below), whose sum is σ = 32886908. Its totient is φ = 8486928.

The previous prime is 16973867. The next prime is 16973911. The reversal of 16973872 is 27837961.

It is a happy number.

It is a super-2 number, since 2×16973872² = 576224661344768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530418 + ... + 530449.

Almost surely, 2^16973872 is an apocalyptic number.

It is an amenable number.

16973872 is a deficient number, since it is larger than the sum of its proper divisors (15913036).

16973872 is a wasteful number, since it uses less digits than its factorization.

16973872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060875 (or 1060869 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 16973872 is about 4119.9359218318. The cubic root of 16973872 is about 256.9963612358.

The spelling of 16973872 in words is "sixteen million, nine hundred seventy-three thousand, eight hundred seventy-two".