72265631272 has 16 divisors (see below), whose sum is σ = 137794636800. Its totient is φ = 35520394800.

The previous prime is 72265631267. The next prime is 72265631297. The reversal of 72265631272 is 27213656227.

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, 76552104 + ... + 76553047.

It is an arithmetic number, because the mean of its divisors is an integer number (8612164800).

Almost surely, 2^72265631272 is an apocalyptic number.

It is an amenable number.

72265631272 is a deficient number, since it is larger than the sum of its proper divisors (65529005528).

72265631272 is a wasteful number, since it uses less digits than its factorization.

72265631272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153105216 (or 153105212 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The spelling of 72265631272 in words is "seventy-two billion, two hundred sixty-five million, six hundred thirty-one thousand, two hundred seventy-two".