16672872 has 32 divisors (see below), whose sum is σ = 41842080. Its totient is φ = 5536320.

The previous prime is 16672867. The next prime is 16672897. The reversal of 16672872 is 27827661.

It is a self number, because there is not a number n which added to its sum of digits gives 16672872.

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, 5847 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (1307565).

Almost surely, 2^16672872 is an apocalyptic number.

16672872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16672872 is an abundant number, since it is smaller than the sum of its proper divisors (25169208).

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

16672872 is a wasteful number, since it uses less digits than its factorization.

16672872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2669 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 16672872 is about 4083.2428289290. The cubic root of 16672872 is about 255.4681749007.

The spelling of 16672872 in words is "sixteen million, six hundred seventy-two thousand, eight hundred seventy-two".