72206270175055 has 48 divisors (see below), whose sum is σ = 89621849521152. Its totient is φ = 55843583846400.

The previous prime is 72206270175043. The next prime is 72206270175073. The reversal of 72206270175055 is 55057107260227.

It is a de Polignac number, because none of the positive numbers 2^k-72206270175055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 876322939 + ... + 876405331.

It is an arithmetic number, because the mean of its divisors is an integer number (1867121865024).

Almost surely, 2^{72206270175055} is an apocalyptic number.

72206270175055 is a deficient number, since it is larger than the sum of its proper divisors (17415579346097).

72206270175055 is a wasteful number, since it uses less digits than its factorization.

72206270175055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83428 (or 83387 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 72206270175055 in words is "seventy-two trillion, two hundred six billion, two hundred seventy million, one hundred seventy-five thousand, fifty-five".