724115 has 16 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 466944.

The previous prime is 724111. The next prime is 724117. The reversal of 724115 is 511427.

It is a cyclic number.

It is not a de Polignac number, because 724115 - 2² = 724111 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 14 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (65772).

2⁷²⁴¹¹⁵ is an apocalyptic number.

724115 is a deficient number, since it is larger than the sum of its proper divisors (328237).

724115 is a wasteful number, since it uses less digits than its factorization.

724115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its digits is 280, while the sum is 20.

The square root of 724115 is about 850.9494697102. The cubic root of 724115 is about 89.7985204856.

The spelling of 724115 in words is "seven hundred twenty-four thousand, one hundred fifteen".