724097 has 4 divisors (see below), whose sum is σ = 789936. Its totient is φ = 658260.

The previous prime is 724093. The next prime is 724099. The reversal of 724097 is 790427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 724097 - 2² = 724093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32903 + ... + 32924.

It is an arithmetic number, because the mean of its divisors is an integer number (197484).

2⁷²⁴⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

724097 is a deficient number, since it is larger than the sum of its proper divisors (65839).

724097 is a wasteful number, since it uses less digits than its factorization.

724097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65838.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 724097 is about 850.9388932232. The cubic root of 724097 is about 89.7977764110.

It can be divided in two parts, 7240 and 97, that added together give a palindrome (7337).

The spelling of 724097 in words is "seven hundred twenty-four thousand, ninety-seven".