72431364067 has 2 divisors, whose sum is σ = 72431364068. Its totient is φ = 72431364066.

The previous prime is 72431364059. The next prime is 72431364191. The reversal of 72431364067 is 76046313427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72431364067 - 2³ = 72431364059 is a prime.

It is not a weakly prime, because it can be changed into another prime (72431364037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36215682033 + 36215682034.

It is an arithmetic number, because the mean of its divisors is an integer number (36215682034).

Almost surely, 2^72431364067 is an apocalyptic number.

72431364067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72431364067 is an equidigital number, since it uses as much as digits as its factorization.

72431364067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 72431364067 in words is "seventy-two billion, four hundred thirty-one million, three hundred sixty-four thousand, sixty-seven".