4709278728 has 192 divisors, whose sum is σ = 16049404800. Its totient is φ = 1211811840.

The previous prime is 4709278703. The next prime is 4709278741. The reversal of 4709278728 is 8278729074.

4709278728 is a `hidden beast` number, since 470 + 92 + 7 + 87 + 2 + 8 = 666.

It is a super-2 number, since 2×4709278728² = 44354612275986595968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 600400 + ... + 608192.

It is an arithmetic number, because the mean of its divisors is an integer number (83590650).

Almost surely, 2^4709278728 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 4709278728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8024702400).

4709278728 is an abundant number, since it is smaller than the sum of its proper divisors (11340126072).

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

4709278728 is a wasteful number, since it uses less digits than its factorization.

4709278728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7925 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 4709278728 is about 68624.1847164686. The cubic root of 4709278728 is about 1676.1702644467.

The spelling of 4709278728 in words is "four billion, seven hundred nine million, two hundred seventy-eight thousand, seven hundred twenty-eight".