4721322828 has 24 divisors (see below), whose sum is σ = 11023423488. Its totient is φ = 1572773776.

The previous prime is 4721322821. The next prime is 4721322829. The reversal of 4721322828 is 8282231274.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4721322821) 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, 105276 + ... + 143267.

It is an arithmetic number, because the mean of its divisors is an integer number (459309312).

Almost surely, 2^4721322828 is an apocalyptic number.

It is an amenable number.

4721322828 is an abundant number, since it is smaller than the sum of its proper divisors (6302100660).

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

4721322828 is a wasteful number, since it uses less digits than its factorization.

4721322828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250133 (or 250131 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 4721322828 is about 68711.8827278077. The cubic root of 4721322828 is about 1677.5979973297.

The spelling of 4721322828 in words is "four billion, seven hundred twenty-one million, three hundred twenty-two thousand, eight hundred twenty-eight".