72118326741 has 4 divisors (see below), whose sum is σ = 96157768992. Its totient is φ = 48078884492.

The previous prime is 72118326703. The next prime is 72118326773. The reversal of 72118326741 is 14762381127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72118326741 - 2⁶ = 72118326677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72118326693 and 72118326702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72118326781) 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, 12019721121 + ... + 12019721126.

It is an arithmetic number, because the mean of its divisors is an integer number (24039442248).

Almost surely, 2^72118326741 is an apocalyptic number.

It is an amenable number.

72118326741 is a deficient number, since it is larger than the sum of its proper divisors (24039442251).

72118326741 is a wasteful number, since it uses less digits than its factorization.

72118326741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24039442250.

The product of its digits is 112896, while the sum is 42.

The spelling of 72118326741 in words is "seventy-two billion, one hundred eighteen million, three hundred twenty-six thousand, seven hundred forty-one".