240729 has 8 divisors (see below), whose sum is σ = 332160. Its totient is φ = 154896.

The previous prime is 240727. The next prime is 240733. The reversal of 240729 is 927042.

240729 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240729 - 2¹ = 240727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240699 and 240708.

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 7 ways as a sum of consecutive naturals, for example, 1297 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (41520).

2²⁴⁰⁷²⁹ is an apocalyptic number.

240729 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

240729 is a deficient number, since it is larger than the sum of its proper divisors (91431).

240729 is a wasteful number, since it uses less digits than its factorization.

240729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 240729 is about 490.6414169228. The cubic root of 240729 is about 62.2075079766.

It can be divided in two parts, 240 and 729, that added together give a palindrome (969).

The spelling of 240729 in words is "two hundred forty thousand, seven hundred twenty-nine".