724233 has 8 divisors (see below), whose sum is σ = 979168. Its totient is φ = 476064.

The previous prime is 724219. The next prime is 724259. The reversal of 724233 is 332427.

It is a happy number.

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

It is not a de Polignac number, because 724233 - 2⁸ = 723977 is a prime.

It is a super-4 number, since 4×724233⁴ (a number of 25 digits) contains 4444 as substring.

It is a Duffinian number.

724233 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 1435 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (122396).

2⁷²⁴²³³ is an apocalyptic number.

724233 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

724233 is a deficient number, since it is larger than the sum of its proper divisors (254935).

724233 is a wasteful number, since it uses less digits than its factorization.

724233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its digits is 1008, while the sum is 21.

The square root of 724233 is about 851.0188012024. The cubic root of 724233 is about 89.8033980027.

The spelling of 724233 in words is "seven hundred twenty-four thousand, two hundred thirty-three".