73286686447 has 16 divisors (see below), whose sum is σ = 81806441472. Its totient is φ = 65221659360.

The previous prime is 73286686427. The next prime is 73286686483. The reversal of 73286686447 is 74468668237.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-73286686447 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 (73286686427) 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 15 ways as a sum of consecutive naturals, for example, 854179 + ... + 936052.

It is an arithmetic number, because the mean of its divisors is an integer number (5112902592).

Almost surely, 2^73286686447 is an apocalyptic number.

73286686447 is a deficient number, since it is larger than the sum of its proper divisors (8519755025).

73286686447 is a wasteful number, since it uses less digits than its factorization.

73286686447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790358.

The product of its digits is 65028096, while the sum is 61.

The spelling of 73286686447 in words is "seventy-three billion, two hundred eighty-six million, six hundred eighty-six thousand, four hundred forty-seven".