72270340144 has 20 divisors (see below), whose sum is σ = 140210257120. Its totient is φ = 36087048000.

The previous prime is 72270340127. The next prime is 72270340151. The reversal of 72270340144 is 44104307227.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2995239 + ... + 3019270.

It is an arithmetic number, because the mean of its divisors is an integer number (7010512856).

Almost surely, 2^72270340144 is an apocalyptic number.

It is an amenable number.

72270340144 is a deficient number, since it is larger than the sum of its proper divisors (67939916976).

72270340144 is a wasteful number, since it uses less digits than its factorization.

72270340144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015268 (or 6015262 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 72270340144 in words is "seventy-two billion, two hundred seventy million, three hundred forty thousand, one hundred forty-four".