4920722784 has 144 divisors (see below), whose sum is σ = 15012663120. Its totient is φ = 1583608320.

The previous prime is 4920722693. The next prime is 4920722803. The reversal of 4920722784 is 4872270294.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214594 + ... + 236414.

It is an arithmetic number, because the mean of its divisors is an integer number (104254605).

Almost surely, 2^4920722784 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 4920722784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7506331560).

4920722784 is an abundant number, since it is smaller than the sum of its proper divisors (10091940336).

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

4920722784 is a wasteful number, since it uses less digits than its factorization.

4920722784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875 (or 21855 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 4920722784 is about 70147.8637165808. The cubic root of 4920722784 is about 1700.8902815488.

The spelling of 4920722784 in words is "four billion, nine hundred twenty million, seven hundred twenty-two thousand, seven hundred eighty-four".