4771563720 has 256 divisors, whose sum is σ = 18463334400. Its totient is φ = 957250560.

The previous prime is 4771563707. The next prime is 4771563721. The reversal of 4771563720 is 273651774.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (4771563721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259057 + ... + 276863.

It is an arithmetic number, because the mean of its divisors is an integer number (72122400).

Almost surely, 2^4771563720 is an apocalyptic number.

4771563720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4771563720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9231667200).

4771563720 is an abundant number, since it is smaller than the sum of its proper divisors (13691770680).

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

4771563720 is a wasteful number, since it uses less digits than its factorization.

4771563720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17868 (or 17864 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 4771563720 is about 69076.5062810794. The cubic root of 4771563720 is about 1683.5276075052.

The spelling of 4771563720 in words is "four billion, seven hundred seventy-one million, five hundred sixty-three thousand, seven hundred twenty".