7272270720 has 896 divisors, whose sum is σ = 30903919200. Its totient is φ = 1612431360.

The previous prime is 7272270703. The next prime is 7272270721. The reversal of 7272270720 is 270722727.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272270721) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 66718026 + ... + 66718134.

Almost surely, 2^7272270720 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 7272270720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15451959600).

7272270720 is an abundant number, since it is smaller than the sum of its proper divisors (23631648480).

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

7272270720 is a wasteful number, since it uses less digits than its factorization.

7272270720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 7272270720 is about 85277.6097225995. The cubic root of 7272270720 is about 1937.4180694873.

It can be divided in two parts, 72722707 and 20, that added together give a palindrome (72722727).

The spelling of 7272270720 in words is "seven billion, two hundred seventy-two million, two hundred seventy thousand, seven hundred twenty".