724465472 has 56 divisors (see below), whose sum is σ = 1574733960. Its totient is φ = 329154560.

The previous prime is 724465409. The next prime is 724465517. The reversal of 724465472 is 274564427.

724465472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 265820416 + 458645056 = 16304^2 + 21416^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20072 + ... + 43032.

Almost surely, 2^724465472 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 724465472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787366980).

724465472 is an abundant number, since it is smaller than the sum of its proper divisors (850268488).

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

724465472 is a wasteful number, since it uses less digits than its factorization.

724465472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23019 (or 23009 counting only the distinct ones).

The product of its digits is 376320, while the sum is 41.

The square root of 724465472 is about 26915.8962696768. The cubic root of 724465472 is about 898.1300565761.

The spelling of 724465472 in words is "seven hundred twenty-four million, four hundred sixty-five thousand, four hundred seventy-two".