724018 has 8 divisors (see below), whose sum is σ = 1089648. Its totient is φ = 360804.

The previous prime is 724007. The next prime is 724021. The reversal of 724018 is 810427.

724018 is nontrivially palindromic in base 8.

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

It is a self number, because there is not a number n which added to its sum of digits gives 724018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (136206).

2⁷²⁴⁰¹⁸ is an apocalyptic number.

724018 is a deficient number, since it is larger than the sum of its proper divisors (365630).

724018 is a wasteful number, since it uses less digits than its factorization.

724018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 724018 is about 850.8924726427. The cubic root of 724018 is about 89.7945106044.

It can be divided in two parts, 7 and 24018, that added together give a square (24025 = 155²).

The spelling of 724018 in words is "seven hundred twenty-four thousand, eighteen".