72110605605 has 8 divisors (see below), whose sum is σ = 115376968992. Its totient is φ = 38458989648.

The previous prime is 72110605549. The next prime is 72110605607. The reversal of 72110605605 is 50650601127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72110605605 - 2⁷ = 72110605477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72110605607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403686839 + ... + 2403686868.

It is an arithmetic number, because the mean of its divisors is an integer number (14422121124).

Almost surely, 2^72110605605 is an apocalyptic number.

It is an amenable number.

72110605605 is a deficient number, since it is larger than the sum of its proper divisors (43266363387).

72110605605 is a wasteful number, since it uses less digits than its factorization.

72110605605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807373715.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 72110605605 in words is "seventy-two billion, one hundred ten million, six hundred five thousand, six hundred five".