240726 has 16 divisors (see below), whose sum is σ = 491184. Its totient is φ = 78624.

The previous prime is 240719. The next prime is 240727. The reversal of 240726 is 627042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240727) by changing a digit.

240726 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 7 ways as a sum of consecutive naturals, for example, 61 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (30699).

2²⁴⁰⁷²⁶ is an apocalyptic number.

240726 is an abundant number, since it is smaller than the sum of its proper divisors (250458).

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

240726 is a wasteful number, since it uses less digits than its factorization.

240726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 240726 is about 490.6383596907. The cubic root of 240726 is about 62.2072495625.

Adding to 240726 its reverse (627042), we get a palindrome (867768).

The spelling of 240726 in words is "two hundred forty thousand, seven hundred twenty-six".