8187472 has 40 divisors (see below), whose sum is σ = 17356032. Its totient is φ = 3724800.

The previous prime is 8187469. The next prime is 8187511. The reversal of 8187472 is 2747818.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

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 7 ways as a sum of consecutive naturals, for example, 7947 + ... + 8917.

Almost surely, 2^8187472 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 8187472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8678016).

8187472 is an abundant number, since it is smaller than the sum of its proper divisors (9168560).

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

8187472 is a wasteful number, since it uses less digits than its factorization.

8187472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 8187472 is about 2861.3758928180. The cubic root of 8187472 is about 201.5502197153.

The spelling of 8187472 in words is "eight million, one hundred eighty-seven thousand, four hundred seventy-two".