7272573120 has 224 divisors, whose sum is σ = 25743651840. Its totient is φ = 1932733440.

The previous prime is 7272573103. The next prime is 7272573137. The reversal of 7272573120 is 213752727.

7272573120 is a `hidden beast` number, since 7 + 2 + 72 + 573 + 12 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7272573103) and next prime (7272573137).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2858569 + ... + 2861111.

Almost surely, 2^7272573120 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 7272573120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12871825920).

7272573120 is an abundant number, since it is smaller than the sum of its proper divisors (18471078720).

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

7272573120 is a wasteful number, since it uses less digits than its factorization.

7272573120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2884 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 7272573120 is about 85279.3827369781. The cubic root of 7272573120 is about 1937.4449234153. Note that the first 3 decimals are identical.

The spelling of 7272573120 in words is "seven billion, two hundred seventy-two million, five hundred seventy-three thousand, one hundred twenty".