724113 has 16 divisors (see below), whose sum is σ = 1155840. Its totient is φ = 445392.

The previous prime is 724111. The next prime is 724117. The reversal of 724113 is 311427.

It is not a de Polignac number, because 724113 - 2¹ = 724111 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 681 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (72240).

2⁷²⁴¹¹³ is an apocalyptic number.

It is an amenable number.

724113 is a deficient number, since it is larger than the sum of its proper divisors (431727).

724113 is a wasteful number, since it uses less digits than its factorization.

724113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2079 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 724113 is about 850.9482945514. The cubic root of 724113 is about 89.7984378113.

Subtracting from 724113 its reverse (311427), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 724113 in words is "seven hundred twenty-four thousand, one hundred thirteen".