8740 has 24 divisors (see below), whose sum is σ = 20160. Its totient is φ = 3168.

The previous prime is 8737. The next prime is 8741. The reversal of 8740 is 478.

8740 = T₁₉ + T₂₀ + ... + T₃₈.

It is a happy number.

8740 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369 + ... + 391.

It is an arithmetic number, because the mean of its divisors is an integer number (840).

2⁸⁷⁴⁰ 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 8740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10080).

8740 is an abundant number, since it is smaller than the sum of its proper divisors (11420).

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

8740 is a wasteful number, since it uses less digits than its factorization.

8740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 8740 is about 93.4879671402. The cubic root of 8740 is about 20.5985734394.

The spelling of 8740 in words is "eight thousand, seven hundred forty".