72126475463 has 12 divisors (see below), whose sum is σ = 83943734472. Its totient is φ = 61792108560.

The previous prime is 72126475441. The next prime is 72126475471. The reversal of 72126475463 is 36457462127.

It is not a de Polignac number, because 72126475463 - 2⁸ = 72126475207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72126475483) 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 11 ways as a sum of consecutive naturals, for example, 263768 + ... + 462413.

It is an arithmetic number, because the mean of its divisors is an integer number (6995311206).

Almost surely, 2^72126475463 is an apocalyptic number.

72126475463 is a deficient number, since it is larger than the sum of its proper divisors (11817259009).

72126475463 is a wasteful number, since it uses less digits than its factorization.

72126475463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728222 (or 728215 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 72126475463 in words is "seventy-two billion, one hundred twenty-six million, four hundred seventy-five thousand, four hundred sixty-three".