724118 has 4 divisors (see below), whose sum is σ = 1086180. Its totient is φ = 362058.

The previous prime is 724117. The next prime is 724121. The reversal of 724118 is 811427.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 724093 and 724102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181028 + ... + 181031.

It is an arithmetic number, because the mean of its divisors is an integer number (271545).

2⁷²⁴¹¹⁸ is an apocalyptic number.

724118 is a deficient number, since it is larger than the sum of its proper divisors (362062).

724118 is a wasteful number, since it uses less digits than its factorization.

724118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362061.

The product of its digits is 448, while the sum is 23.

The square root of 724118 is about 850.9512324452. The cubic root of 724118 is about 89.7986444968.

The spelling of 724118 in words is "seven hundred twenty-four thousand, one hundred eighteen".