16873974 has 72 divisors (see below), whose sum is σ = 41570280. Its totient is φ = 5071248.

The previous prime is 16873949. The next prime is 16873991. The reversal of 16873974 is 47937861.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 392397 + ... + 392439.

It is an arithmetic number, because the mean of its divisors is an integer number (577365).

Almost surely, 2^16873974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16873974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20785140).

16873974 is an abundant number, since it is smaller than the sum of its proper divisors (24696306).

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

16873974 is a wasteful number, since it uses less digits than its factorization.

16873974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 61 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 16873974 is about 4107.7942986474. The cubic root of 16873974 is about 256.4911935693.

It can be divided in two parts, 1687397 and 4, that added together give a square (1687401 = 1299²).

The spelling of 16873974 in words is "sixteen million, eight hundred seventy-three thousand, nine hundred seventy-four".