8187372 has 72 divisors (see below), whose sum is σ = 22261680. Its totient is φ = 2600640.

The previous prime is 8187349. The next prime is 8187373. The reversal of 8187372 is 2737818.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8187373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190383 + ... + 190425.

It is an arithmetic number, because the mean of its divisors is an integer number (309190).

Almost surely, 2^8187372 is an apocalyptic number.

8187372 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8187372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11130840).

8187372 is an abundant number, since it is smaller than the sum of its proper divisors (14074308).

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

8187372 is a wasteful number, since it uses less digits than its factorization.

8187372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 89 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 8187372 is about 2861.3584186536. The cubic root of 8187372 is about 201.5493991485.

The spelling of 8187372 in words is "eight million, one hundred eighty-seven thousand, three hundred seventy-two".