4678744434 has 64 divisors (see below), whose sum is σ = 11618982144. Its totient is φ = 1223018496.

The previous prime is 4678744429. The next prime is 4678744451. The reversal of 4678744434 is 4344478764.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23782 + ... + 99614.

It is an arithmetic number, because the mean of its divisors is an integer number (181546596).

Almost surely, 2^4678744434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4678744434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5809491072).

4678744434 is an abundant number, since it is smaller than the sum of its proper divisors (6940237710).

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

4678744434 is a wasteful number, since it uses less digits than its factorization.

4678744434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75971.

The product of its digits is 7225344, while the sum is 51.

The square root of 4678744434 is about 68401.3481884677. The cubic root of 4678744434 is about 1672.5397232059.

The spelling of 4678744434 in words is "four billion, six hundred seventy-eight million, seven hundred forty-four thousand, four hundred thirty-four".