72194095585 has 16 divisors (see below), whose sum is σ = 91738386432. Its totient is φ = 54352326400.

The previous prime is 72194095573. The next prime is 72194095613. The reversal of 72194095585 is 58559049127.

It is not a de Polignac number, because 72194095585 - 2⁵ = 72194095553 is a prime.

It is a super-2 number, since 2×72194095585² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 911520 + ... + 987550.

It is an arithmetic number, because the mean of its divisors is an integer number (5733649152).

Almost surely, 2^72194095585 is an apocalyptic number.

It is an amenable number.

72194095585 is a deficient number, since it is larger than the sum of its proper divisors (19544290847).

72194095585 is a wasteful number, since it uses less digits than its factorization.

72194095585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87224.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 72194095585 in words is "seventy-two billion, one hundred ninety-four million, ninety-five thousand, five hundred eighty-five".