16872672 has 24 divisors (see below), whose sum is σ = 44291016. Its totient is φ = 5624192.

The previous prime is 16872659. The next prime is 16872679. The reversal of 16872672 is 27627861.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16872672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872679) 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, 87783 + ... + 87974.

It is an arithmetic number, because the mean of its divisors is an integer number (1845459).

Almost surely, 2^16872672 is an apocalyptic number.

16872672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16872672 is an abundant number, since it is smaller than the sum of its proper divisors (27418344).

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

16872672 is a wasteful number, since it uses less digits than its factorization.

16872672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175770 (or 175762 counting only the distinct ones).

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

The square root of 16872672 is about 4107.6358163791. The cubic root of 16872672 is about 256.4845964250.

The spelling of 16872672 in words is "sixteen million, eight hundred seventy-two thousand, six hundred seventy-two".