72334747140 has 48 divisors (see below), whose sum is σ = 209070758400. Its totient is φ = 18667031040.

The previous prime is 72334747127. The next prime is 72334747141. The reversal of 72334747140 is 4174743327.

It is a junction number, because it is equal to n+sod(n) for n = 72334747092 and 72334747101.

It is not an unprimeable number, because it can be changed into a prime (72334747141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19442965 + ... + 19446684.

It is an arithmetic number, because the mean of its divisors is an integer number (4355640800).

Almost surely, 2^72334747140 is an apocalyptic number.

It is an amenable number.

72334747140 is an abundant number, since it is smaller than the sum of its proper divisors (136736011260).

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

72334747140 is a wasteful number, since it uses less digits than its factorization.

72334747140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38889692 (or 38889690 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 72334747140 in words is "seventy-two billion, three hundred thirty-four million, seven hundred forty-seven thousand, one hundred forty".