72746436463 has 2 divisors, whose sum is σ = 72746436464. Its totient is φ = 72746436462.

The previous prime is 72746436449. The next prime is 72746436527. The reversal of 72746436463 is 36463464727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72746436463 - 2²⁵ = 72712882031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72746436463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72746436563) 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 as a sum of consecutive naturals, namely, 36373218231 + 36373218232.

It is an arithmetic number, because the mean of its divisors is an integer number (36373218232).

Almost surely, 2^72746436463 is an apocalyptic number.

72746436463 is a deficient number, since it is larger than the sum of its proper divisors (1).

72746436463 is an equidigital number, since it uses as much as digits as its factorization.

72746436463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 52.

The spelling of 72746436463 in words is "seventy-two billion, seven hundred forty-six million, four hundred thirty-six thousand, four hundred sixty-three".