724965 has 16 divisors (see below), whose sum is σ = 1228608. Its totient is φ = 363776.

The previous prime is 724961. The next prime is 724967. The reversal of 724965 is 569427.

It is a cyclic number.

It is not a de Polignac number, because 724965 - 2² = 724961 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724961) 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, 1167 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (76788).

2⁷²⁴⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

724965 is a deficient number, since it is larger than the sum of its proper divisors (503643).

724965 is a wasteful number, since it uses less digits than its factorization.

724965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its digits is 15120, while the sum is 33.

The square root of 724965 is about 851.4487653406. The cubic root of 724965 is about 89.8336433118.

The spelling of 724965 in words is "seven hundred twenty-four thousand, nine hundred sixty-five".