7272737239040 has 1872 divisors, whose sum is σ = 24155687553120. Its totient is φ = 2086844497920.

The previous prime is 7272737239039. The next prime is 7272737239087. The reversal of 7272737239040 is 409327372727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 119225200610 + ... + 119225200670.

Almost surely, 2^{7272737239040} is an apocalyptic number.

7272737239040 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 7272737239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12077843776560).

7272737239040 is an abundant number, since it is smaller than the sum of its proper divisors (16882950314080).

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

7272737239040 is a wasteful number, since it uses less digits than its factorization.

7272737239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 7272737239040 in words is "seven trillion, two hundred seventy-two billion, seven hundred thirty-seven million, two hundred thirty-nine thousand, forty".