4547326720 has 72 divisors (see below), whose sum is σ = 10917216576. Its totient is φ = 1814765568.

The previous prime is 4547326717. The next prime is 4547326723. The reversal of 4547326720 is 276237454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4547326717) and next prime (4547326723).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (4547326723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588804 + ... + 596476.

It is an arithmetic number, because the mean of its divisors is an integer number (151628008).

Almost surely, 2^4547326720 is an apocalyptic number.

4547326720 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 4547326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5458608288).

4547326720 is an abundant number, since it is smaller than the sum of its proper divisors (6369889856).

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

4547326720 is an equidigital number, since it uses as much as digits as its factorization.

4547326720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157 (or 8143 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 4547326720 is about 67433.8692349772. The cubic root of 4547326720 is about 1656.7312071896.

The spelling of 4547326720 in words is "four billion, five hundred forty-seven million, three hundred twenty-six thousand, seven hundred twenty".