72064936067 has 4 divisors (see below), whose sum is σ = 74389611456. Its totient is φ = 69740260680.

The previous prime is 72064936039. The next prime is 72064936081. The reversal of 72064936067 is 76063946027.

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 72064936067 - 2¹⁶ = 72064870531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72064933067) 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, 1162337648 + ... + 1162337709.

It is an arithmetic number, because the mean of its divisors is an integer number (18597402864).

Almost surely, 2^72064936067 is an apocalyptic number.

72064936067 is a deficient number, since it is larger than the sum of its proper divisors (2324675389).

72064936067 is a wasteful number, since it uses less digits than its factorization.

72064936067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324675388.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 72064936067 in words is "seventy-two billion, sixty-four million, nine hundred thirty-six thousand, sixty-seven".