72339185144 has 16 divisors (see below), whose sum is σ = 139301809800. Its totient is φ = 35192035872.

The previous prime is 72339185123. The next prime is 72339185147. The reversal of 72339185144 is 44158193327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72339185147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122194274 + ... + 122194865.

Almost surely, 2^72339185144 is an apocalyptic number.

72339185144 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

72339185144 is a deficient number, since it is larger than the sum of its proper divisors (66962624656).

72339185144 is a wasteful number, since it uses less digits than its factorization.

72339185144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244389182 (or 244389178 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 72339185144 in words is "seventy-two billion, three hundred thirty-nine million, one hundred eighty-five thousand, one hundred forty-four".