7272720000 has 1280 divisors, whose sum is σ = 33904147200. Its totient is φ = 1492992000.

The previous prime is 7272719999. The next prime is 7272720011. The reversal of 7272720000 is 272727.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 196559982 + ... + 196560018.

It is an arithmetic number, because the mean of its divisors is an integer number (26487615).

Almost surely, 2^7272720000 is an apocalyptic number.

7272720000 is a gapful number since it is divisible by the number (70) 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 7272720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16952073600).

7272720000 is an abundant number, since it is smaller than the sum of its proper divisors (26631427200).

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

7272720000 is a wasteful number, since it uses less digits than its factorization.

7272720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 7272720000 is about 85280.2439020902. The cubic root of 7272720000 is about 1937.4579664832.

Adding to 7272720000 its reverse (272727), we get a palindrome (7272992727).

The spelling of 7272720000 in words is "seven billion, two hundred seventy-two million, seven hundred twenty thousand".