7928543232 has 144 divisors (see below), whose sum is σ = 24247051920. Its totient is φ = 2487287808.

The previous prime is 7928543177. The next prime is 7928543243. The reversal of 7928543232 is 2323458297.

7928543232 is a `hidden beast` number, since 79 + 2 + 8 + 543 + 2 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300693 + ... + 325995.

It is an arithmetic number, because the mean of its divisors is an integer number (168382305).

Almost surely, 2^7928543232 is an apocalyptic number.

7928543232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7928543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12123525960).

7928543232 is an abundant number, since it is smaller than the sum of its proper divisors (16318508688).

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

7928543232 is a wasteful number, since it uses less digits than its factorization.

7928543232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25348 (or 25325 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 7928543232 is about 89042.3676235083. The cubic root of 7928543232 is about 1994.0274514191.

The spelling of 7928543232 in words is "seven billion, nine hundred twenty-eight million, five hundred forty-three thousand, two hundred thirty-two".