724515032072 has 128 divisors (see below), whose sum is σ = 1522571904000. Its totient is φ = 320912256000.

The previous prime is 724515032051. The next prime is 724515032081. The reversal of 724515032072 is 270230515427.

It is a super-2 number, since 2×724515032072² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653304254 + ... + 653305362.

It is an arithmetic number, because the mean of its divisors is an integer number (11895093000).

Almost surely, 2^724515032072 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 724515032072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761285952000).

724515032072 is an abundant number, since it is smaller than the sum of its proper divisors (798056871928).

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

724515032072 is a wasteful number, since it uses less digits than its factorization.

724515032072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

Adding to 724515032072 its reverse (270230515427), we get a palindrome (994745547499).

The spelling of 724515032072 in words is "seven hundred twenty-four billion, five hundred fifteen million, thirty-two thousand, seventy-two".