7143241728 has 192 divisors, whose sum is σ = 22300911360. Its totient is φ = 1990656000.

The previous prime is 7143241711. The next prime is 7143241741. The reversal of 7143241728 is 8271423417.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761303 + ... + 1765353.

It is an arithmetic number, because the mean of its divisors is an integer number (116150580).

Almost surely, 2^7143241728 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 7143241728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11150455680).

7143241728 is an abundant number, since it is smaller than the sum of its proper divisors (15157669632).

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

7143241728 is a wasteful number, since it uses less digits than its factorization.

7143241728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124 (or 4104 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 7143241728 is about 84517.7006786152. The cubic root of 7143241728 is about 1925.8913488762.

The spelling of 7143241728 in words is "seven billion, one hundred forty-three million, two hundred forty-one thousand, seven hundred twenty-eight".