72140455463 has 12 divisors (see below), whose sum is σ = 77022027480. Its totient is φ = 67380914160.

The previous prime is 72140455447. The next prime is 72140455481. The reversal of 72140455463 is 36455404127.

It is not a de Polignac number, because 72140455463 - 2⁴ = 72140455447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72140455463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140455363) 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 in 11 ways as a sum of consecutive naturals, for example, 280820 + ... + 472377.

It is an arithmetic number, because the mean of its divisors is an integer number (6418502290).

Almost surely, 2^72140455463 is an apocalyptic number.

72140455463 is a deficient number, since it is larger than the sum of its proper divisors (4881572017).

72140455463 is an equidigital number, since it uses as much as digits as its factorization.

72140455463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753358 (or 753287 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 72140455463 in words is "seventy-two billion, one hundred forty million, four hundred fifty-five thousand, four hundred sixty-three".