240724 has 12 divisors (see below), whose sum is σ = 459648. Its totient is φ = 109400.

The previous prime is 240719. The next prime is 240727. The reversal of 240724 is 427042.

240724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam 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.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2²⁴⁰⁷²⁴ is an apocalyptic number.

It is an amenable number.

240724 is a deficient number, since it is larger than the sum of its proper divisors (218924).

240724 is a wasteful number, since it uses less digits than its factorization.

240724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486 (or 5484 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 240724 is about 490.6363215254. The cubic root of 240724 is about 62.2070772853.

Adding to 240724 its reverse (427042), we get a palindrome (667766).

The spelling of 240724 in words is "two hundred forty thousand, seven hundred twenty-four", and thus it is an iban number.