72112397365 has 16 divisors (see below), whose sum is σ = 91097884800. Its totient is φ = 54648482112.

The previous prime is 72112397323. The next prime is 72112397411. The reversal of 72112397365 is 56379321127.

It is a cyclic number.

It is not a de Polignac number, because 72112397365 - 2³⁵ = 37752658997 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1211931 + ... + 1270039.

It is an arithmetic number, because the mean of its divisors is an integer number (5693617800).

Almost surely, 2^72112397365 is an apocalyptic number.

It is an amenable number.

72112397365 is a deficient number, since it is larger than the sum of its proper divisors (18985487435).

72112397365 is a wasteful number, since it uses less digits than its factorization.

72112397365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71196.

The product of its digits is 476280, while the sum is 46.

The spelling of 72112397365 in words is "seventy-two billion, one hundred twelve million, three hundred ninety-seven thousand, three hundred sixty-five".