7272256992 has 576 divisors, whose sum is σ = 27509932800. Its totient is φ = 1648926720.

The previous prime is 7272256967. The next prime is 7272257023. The reversal of 7272256992 is 2996522727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12780484 + ... + 12781052.

It is an arithmetic number, because the mean of its divisors is an integer number (47760300).

Almost surely, 2^7272256992 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 7272256992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13754966400).

7272256992 is an abundant number, since it is smaller than the sum of its proper divisors (20237675808).

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

7272256992 is a wasteful number, since it uses less digits than its factorization.

7272256992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 624 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 7272256992 is about 85277.5292325006. The cubic root of 7272256992 is about 1937.4168503865.

The spelling of 7272256992 in words is "seven billion, two hundred seventy-two million, two hundred fifty-six thousand, nine hundred ninety-two".