88740 has 72 divisors (see below), whose sum is σ = 294840. Its totient is φ = 21504.

The previous prime is 88729. The next prime is 88741. The reversal of 88740 is 4788.

Added to its reverse (4788) it gives a triangular number (93528 = T₄₃₂).

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19044 + 69696 = 138^2 + 264^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 88740.

It is not an unprimeable number, because it can be changed into a prime (88741) by changing a digit.

88740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3046 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (4095).

2⁸⁸⁷⁴⁰ 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 88740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147420).

88740 is an abundant number, since it is smaller than the sum of its proper divisors (206100).

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

88740 is a wasteful number, since it uses less digits than its factorization.

88740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 88740 is about 297.8925980954. The cubic root of 88740 is about 44.6039316314.

Adding to 88740 its reverse (4788), we get a triangular number (93528 = T₄₃₂).

It can be divided in two parts, 88 and 740, that added together give a palindrome (828).

The spelling of 88740 in words is "eighty-eight thousand, seven hundred forty".