724471504 has 40 divisors (see below), whose sum is σ = 1472584320. Its totient is φ = 344803200.

The previous prime is 724471493. The next prime is 724471523. The reversal of 724471504 is 405174427.

It is a happy number.

724471504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 724471504.

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, 21949 + ... + 43939.

It is an arithmetic number, because the mean of its divisors is an integer number (36814608).

Almost surely, 2^724471504 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 724471504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736292160).

724471504 is an abundant number, since it is smaller than the sum of its proper divisors (748112816).

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

724471504 is a wasteful number, since it uses less digits than its factorization.

724471504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099 (or 22093 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 724471504 is about 26916.0083221863. The cubic root of 724471504 is about 898.1325492210.

The spelling of 724471504 in words is "seven hundred twenty-four million, four hundred seventy-one thousand, five hundred four".