72412614145 has 4 divisors (see below), whose sum is σ = 86895136980. Its totient is φ = 57930091312.

The previous prime is 72412614139. The next prime is 72412614223. The reversal of 72412614145 is 54141621427.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39200832064 + 33211782081 = 197992^2 + 182241^2 .

It is a cyclic number.

It is not a de Polignac number, because 72412614145 - 2⁷ = 72412614017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7241261410 + ... + 7241261419.

It is an arithmetic number, because the mean of its divisors is an integer number (21723784245).

Almost surely, 2^72412614145 is an apocalyptic number.

It is an amenable number.

72412614145 is a deficient number, since it is larger than the sum of its proper divisors (14482522835).

72412614145 is a wasteful number, since it uses less digits than its factorization.

72412614145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482522834.

The product of its digits is 53760, while the sum is 37.

The spelling of 72412614145 in words is "seventy-two billion, four hundred twelve million, six hundred fourteen thousand, one hundred forty-five".