724329 has 16 divisors (see below), whose sum is σ = 1086400. Its totient is φ = 476928.

The previous prime is 724313. The next prime is 724331. The reversal of 724329 is 923427.

724329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 724329 - 2⁴ = 724313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724309) 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, 3657 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (67900).

2⁷²⁴³²⁹ is an apocalyptic number.

It is an amenable number.

724329 is a deficient number, since it is larger than the sum of its proper divisors (362071).

724329 is a wasteful number, since it uses less digits than its factorization.

724329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 335 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 724329 is about 851.0752023176. The cubic root of 724329 is about 89.8073657614.

It can be divided in two parts, 7 and 24329, that added together give a square (24336 = 156²).

The spelling of 724329 in words is "seven hundred twenty-four thousand, three hundred twenty-nine".