72455648206 has 16 divisors (see below), whose sum is σ = 112610962800. Its totient is φ = 34941831808.

The previous prime is 72455648197. The next prime is 72455648347. The reversal of 72455648206 is 60284655427.

It is a self number, because there is not a number n which added to its sum of digits gives 72455648206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5786491 + ... + 5798998.

It is an arithmetic number, because the mean of its divisors is an integer number (7038185175).

Almost surely, 2^72455648206 is an apocalyptic number.

72455648206 is a deficient number, since it is larger than the sum of its proper divisors (40155314594).

72455648206 is a wasteful number, since it uses less digits than its factorization.

72455648206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585603.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 72455648206 in words is "seventy-two billion, four hundred fifty-five million, six hundred forty-eight thousand, two hundred six".