72005467106 has 4 divisors (see below), whose sum is σ = 108008200662. Its totient is φ = 36002733552.

The previous prime is 72005467013. The next prime is 72005467141. The reversal of 72005467106 is 60176450027.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61705044025 + 10300423081 = 248405^2 + 101491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72005467106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18001366775 + ... + 18001366778.

Almost surely, 2^72005467106 is an apocalyptic number.

72005467106 is a deficient number, since it is larger than the sum of its proper divisors (36002733556).

72005467106 is a wasteful number, since it uses less digits than its factorization.

72005467106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36002733555.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 72005467106 in words is "seventy-two billion, five million, four hundred sixty-seven thousand, one hundred six".