7273389137112 has 256 divisors, whose sum is σ = 24072909696000. Its totient is φ = 1991484278784.

The previous prime is 7273389137111. The next prime is 7273389137117. The reversal of 7273389137112 is 2117319833727.

7273389137112 is a `hidden beast` number, since 72 + 73 + 389 + 13 + 7 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273389137111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2390464 + ... + 4501232.

It is an arithmetic number, because the mean of its divisors is an integer number (94034803500).

Almost surely, 2^{7273389137112} is an apocalyptic number.

7273389137112 is a gapful number since it is divisible by the number (72) 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 7273389137112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12036454848000).

7273389137112 is an abundant number, since it is smaller than the sum of its proper divisors (16799520558888).

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

7273389137112 is a wasteful number, since it uses less digits than its factorization.

7273389137112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110887 (or 2110877 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 7273389137112 in words is "seven trillion, two hundred seventy-three billion, three hundred eighty-nine million, one hundred thirty-seven thousand, one hundred twelve".