72479563195 has 12 divisors (see below), whose sum is σ = 94180545936. Its totient is φ = 53523369120.

The previous prime is 72479563183. The next prime is 72479563201. The reversal of 72479563195 is 59136597427.

It is a happy number.

It is not a de Polignac number, because 72479563195 - 2²⁷ = 72345345467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 42886471 + ... + 42888160.

It is an arithmetic number, because the mean of its divisors is an integer number (7848378828).

Almost surely, 2^72479563195 is an apocalyptic number.

72479563195 is a deficient number, since it is larger than the sum of its proper divisors (21700982741).

72479563195 is a wasteful number, since it uses less digits than its factorization.

72479563195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85774662 (or 85774649 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 58.

The spelling of 72479563195 in words is "seventy-two billion, four hundred seventy-nine million, five hundred sixty-three thousand, one hundred ninety-five".