724545536 has 104 divisors (see below), whose sum is σ = 1703596944. Its totient is φ = 303759360.

The previous prime is 724545473. The next prime is 724545589. The reversal of 724545536 is 635545427.

It is a tau number, because it is divible by the number of its divisors (104).

It is a junction number, because it is equal to n+sod(n) for n = 724545493 and 724545502.

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, 585110 + ... + 586346.

Almost surely, 2^724545536 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 724545536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851798472).

724545536 is an abundant number, since it is smaller than the sum of its proper divisors (979051408).

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

724545536 is a wasteful number, since it uses less digits than its factorization.

724545536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1263 counting only the distinct ones).

The product of its digits is 504000, while the sum is 41.

The square root of 724545536 is about 26917.3835281217. The cubic root of 724545536 is about 898.1631408471.

The spelling of 724545536 in words is "seven hundred twenty-four million, five hundred forty-five thousand, five hundred thirty-six".