72265631277 has 32 divisors (see below), whose sum is σ = 110827487232. Its totient is φ = 41029208064.

The previous prime is 72265631267. The next prime is 72265631297. The reversal of 72265631277 is 77213656227.

It is not a de Polignac number, because 72265631277 - 2⁴ = 72265631261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265631267) 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 31 ways as a sum of consecutive naturals, for example, 14470893 + ... + 14475885.

It is an arithmetic number, because the mean of its divisors is an integer number (3463358976).

Almost surely, 2^72265631277 is an apocalyptic number.

It is an amenable number.

72265631277 is a deficient number, since it is larger than the sum of its proper divisors (38561855955).

72265631277 is a wasteful number, since it uses less digits than its factorization.

72265631277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297.

The product of its digits is 1481760, while the sum is 48.

The spelling of 72265631277 in words is "seventy-two billion, two hundred sixty-five million, six hundred thirty-one thousand, two hundred seventy-seven".