232740 has 48 divisors (see below), whose sum is σ = 725760. Its totient is φ = 61920.

The previous prime is 232711. The next prime is 232741. The reversal of 232740 is 47232.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (232741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²³²⁷⁴⁰ is an apocalyptic number.

232740 is a gapful number since it is divisible by the number (20) 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 232740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362880).

232740 is an abundant number, since it is smaller than the sum of its proper divisors (493020).

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

232740 is a wasteful number, since it uses less digits than its factorization.

232740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 232740 is about 482.4313422654. The cubic root of 232740 is about 61.5115980506.

Adding to 232740 its reverse (47232), we get a palindrome (279972).

The spelling of 232740 in words is "two hundred thirty-two thousand, seven hundred forty".