18872676 has 60 divisors (see below), whose sum is σ = 50955520. Its totient is φ = 6084720.

The previous prime is 18872663. The next prime is 18872677. The reversal of 18872676 is 67627881.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18872677) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9105 + ... + 10983.

Almost surely, 2^18872676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18872676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25477760).

18872676 is an abundant number, since it is smaller than the sum of its proper divisors (32082844).

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

18872676 is a wasteful number, since it uses less digits than its factorization.

18872676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1915 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 18872676 is about 4344.2693286674. The cubic root of 18872676 is about 266.2427730631.

The spelling of 18872676 in words is "eighteen million, eight hundred seventy-two thousand, six hundred seventy-six".