724434 has 8 divisors (see below), whose sum is σ = 1448880. Its totient is φ = 241476.

The previous prime is 724433. The next prime is 724441. The reversal of 724434 is 434427.

724434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

724434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (724433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60364 + ... + 60375.

It is an arithmetic number, because the mean of its divisors is an integer number (181110).

2⁷²⁴⁴³⁴ is an apocalyptic number.

724434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724434 is a wasteful number, since it uses less digits than its factorization.

724434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120744.

The product of its digits is 2688, while the sum is 24.

The square root of 724434 is about 851.1368867579. The cubic root of 724434 is about 89.8117050960.

The spelling of 724434 in words is "seven hundred twenty-four thousand, four hundred thirty-four".