4687729328 has 40 divisors (see below), whose sum is σ = 9670564080. Its totient is φ = 2193643520.

The previous prime is 4687729327. The next prime is 4687729339. The reversal of 4687729328 is 8239277864.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4687729327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 96828.

It is an arithmetic number, because the mean of its divisors is an integer number (241764102).

Almost surely, 2^4687729328 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 4687729328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835282040).

4687729328 is an abundant number, since it is smaller than the sum of its proper divisors (4982834752).

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

4687729328 is a wasteful number, since it uses less digits than its factorization.

4687729328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96485 (or 96479 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 4687729328 is about 68466.9944425780. The cubic root of 4687729328 is about 1673.6096671549.

The spelling of 4687729328 in words is "four billion, six hundred eighty-seven million, seven hundred twenty-nine thousand, three hundred twenty-eight".