72436164267 has 4 divisors (see below), whose sum is σ = 96581552360. Its totient is φ = 48290776176.

The previous prime is 72436164257. The next prime is 72436164347. The reversal of 72436164267 is 76246163427.

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

It is not a de Polignac number, because 72436164267 - 2⁷ = 72436164139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72436164257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12072694042 + ... + 12072694047.

It is an arithmetic number, because the mean of its divisors is an integer number (24145388090).

Almost surely, 2^72436164267 is an apocalyptic number.

72436164267 is a deficient number, since it is larger than the sum of its proper divisors (24145388093).

72436164267 is a wasteful number, since it uses less digits than its factorization.

72436164267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24145388092.

The product of its digits is 2032128, while the sum is 48.

The spelling of 72436164267 in words is "seventy-two billion, four hundred thirty-six million, one hundred sixty-four thousand, two hundred sixty-seven".