7282134328 has 64 divisors (see below), whose sum is σ = 16298496000. Its totient is φ = 2982388992.

The previous prime is 7282134283. The next prime is 7282134337. The reversal of 7282134328 is 8234312827.

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, 1851468 + ... + 1855396.

It is an arithmetic number, because the mean of its divisors is an integer number (254664000).

Almost surely, 2^7282134328 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 7282134328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8149248000).

7282134328 is an abundant number, since it is smaller than the sum of its proper divisors (9016361672).

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

7282134328 is a wasteful number, since it uses less digits than its factorization.

7282134328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404 (or 5400 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 7282134328 is about 85335.4224692185. The cubic root of 7282134328 is about 1938.2936006572.

The spelling of 7282134328 in words is "seven billion, two hundred eighty-two million, one hundred thirty-four thousand, three hundred twenty-eight".