72315770636107 has 4 divisors (see below), whose sum is σ = 72362456093200. Its totient is φ = 72269085179016.

The previous prime is 72315770636089. The next prime is 72315770636141. The reversal of 72315770636107 is 70163607751327.

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

It is a cyclic number.

It is not a de Polignac number, because 72315770636107 - 2¹⁵ = 72315770603339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72315770636407) 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, 23342726223 + ... + 23342729320.

It is an arithmetic number, because the mean of its divisors is an integer number (18090614023300).

Almost surely, 2^{72315770636107} is an apocalyptic number.

72315770636107 is a deficient number, since it is larger than the sum of its proper divisors (46685457093).

72315770636107 is a wasteful number, since it uses less digits than its factorization.

72315770636107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46685457092.

The product of its (nonzero) digits is 7779240, while the sum is 55.

The spelling of 72315770636107 in words is "seventy-two trillion, three hundred fifteen billion, seven hundred seventy million, six hundred thirty-six thousand, one hundred seven".