16674874 has 8 divisors (see below), whose sum is σ = 25077780. Its totient is φ = 8315616.

The previous prime is 16674829. The next prime is 16674877. The reversal of 16674874 is 47847661.

It can be written as a sum of positive squares in 2 ways, for example, as 14250625 + 2424249 = 3775^2 + 1557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16674874.

It is not an unprimeable number, because it can be changed into a prime (16674877) 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, 9939 + ... + 11494.

Almost surely, 2^16674874 is an apocalyptic number.

16674874 is a deficient number, since it is larger than the sum of its proper divisors (8402906).

16674874 is a wasteful number, since it uses less digits than its factorization.

16674874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824.

The product of its digits is 225792, while the sum is 43.

The square root of 16674874 is about 4083.4879698611. The cubic root of 16674874 is about 255.4783996302.

The spelling of 16674874 in words is "sixteen million, six hundred seventy-four thousand, eight hundred seventy-four".