72120275063 has 4 divisors (see below), whose sum is σ = 72124039080. Its totient is φ = 72116511048.

The previous prime is 72120275053. The next prime is 72120275111. The reversal of 72120275063 is 36057202127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36057202127 = 163 ⋅221209829.

It is a cyclic number.

It is not a de Polignac number, because 72120275063 - 2⁶ = 72120274999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72120275053) 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, 1853120 + ... + 1891637.

It is an arithmetic number, because the mean of its divisors is an integer number (18031009770).

Almost surely, 2^72120275063 is an apocalyptic number.

72120275063 is a deficient number, since it is larger than the sum of its proper divisors (3764017).

72120275063 is a wasteful number, since it uses less digits than its factorization.

72120275063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764016.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 72120275063 in words is "seventy-two billion, one hundred twenty million, two hundred seventy-five thousand, sixty-three".