724808 has 36 divisors (see below), whose sum is σ = 1618515. Its totient is φ = 303408.

The previous prime is 724807. The next prime is 724813. The reversal of 724808 is 808427.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

724808 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 362404 = 602^2 + 602^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=602.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724807) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16835 + ... + 16877.

2⁷²⁴⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724808

724808 is an abundant number, since it is smaller than the sum of its proper divisors (893707).

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

724808 is a wasteful number, since it uses less digits than its factorization.

724808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 724808 is about 851.3565645486. The cubic root of 724808 is about 89.8271579871.

The spelling of 724808 in words is "seven hundred twenty-four thousand, eight hundred eight".