72329464687 has 2 divisors, whose sum is σ = 72329464688. Its totient is φ = 72329464686.

The previous prime is 72329464663. The next prime is 72329464721. The reversal of 72329464687 is 78646492327.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72329464687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72329464657) by changing a digit.

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, 36164732343 + 36164732344.

It is an arithmetic number, because the mean of its divisors is an integer number (36164732344).

Almost surely, 2^72329464687 is an apocalyptic number.

72329464687 is a deficient number, since it is larger than the sum of its proper divisors (1).

72329464687 is an equidigital number, since it uses as much as digits as its factorization.

72329464687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 58.

The spelling of 72329464687 in words is "seventy-two billion, three hundred twenty-nine million, four hundred sixty-four thousand, six hundred eighty-seven".