4617862728 has 64 divisors (see below), whose sum is σ = 12249792000. Its totient is φ = 1445655552.

The previous prime is 4617862723. The next prime is 4617862747. The reversal of 4617862728 is 8272687164.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4617862721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183618 + ... + 207246.

It is an arithmetic number, because the mean of its divisors is an integer number (191403000).

Almost surely, 2^4617862728 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 4617862728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6124896000).

4617862728 is an abundant number, since it is smaller than the sum of its proper divisors (7631929272).

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

4617862728 is a wasteful number, since it uses less digits than its factorization.

4617862728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24134 (or 24130 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 4617862728 is about 67954.8580161860. The cubic root of 4617862728 is about 1665.2534404849.

The spelling of 4617862728 in words is "four billion, six hundred seventeen million, eight hundred sixty-two thousand, seven hundred twenty-eight".