72120275067 has 4 divisors (see below), whose sum is σ = 96160366760. Its totient is φ = 48080183376.

The previous prime is 72120275053. The next prime is 72120275111. The reversal of 72120275067 is 76057202127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76057202127 = 3 ⋅25352400709.

It is not a de Polignac number, because 72120275067 - 2⁷ = 72120274939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72120275027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020045842 + ... + 12020045847.

It is an arithmetic number, because the mean of its divisors is an integer number (24040091690).

Almost surely, 2^72120275067 is an apocalyptic number.

72120275067 is a deficient number, since it is larger than the sum of its proper divisors (24040091693).

72120275067 is a wasteful number, since it uses less digits than its factorization.

72120275067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24040091692.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 72120275067 in words is "seventy-two billion, one hundred twenty million, two hundred seventy-five thousand, sixty-seven".