729499139952 has 120 divisors (see below), whose sum is σ = 2071885672080. Its totient is φ = 221012352000.

The previous prime is 729499139899. The next prime is 729499139983. The reversal of 729499139952 is 259931994927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34076452 + ... + 34097852.

It is an arithmetic number, because the mean of its divisors is an integer number (17265713934).

Almost surely, 2^729499139952 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 729499139952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035942836040).

729499139952 is an abundant number, since it is smaller than the sum of its proper divisors (1342386532128).

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

729499139952 is a wasteful number, since it uses less digits than its factorization.

729499139952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27303 (or 27286 counting only the distinct ones).

The product of its digits is 99202320, while the sum is 69.

The spelling of 729499139952 in words is "seven hundred twenty-nine billion, four hundred ninety-nine million, one hundred thirty-nine thousand, nine hundred fifty-two".