73285179217 has 8 divisors (see below), whose sum is σ = 74404654056. Its totient is φ = 72173966592.

The previous prime is 73285179127. The next prime is 73285179257. The reversal of 73285179217 is 71297158237.

It can be written as a sum of positive squares in 4 ways, for example, as 7382074561 + 65903104656 = 85919^2 + 256716^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73285179217 - 2²⁷ = 73150961489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73285179257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047678 + ... + 2083159.

It is an arithmetic number, because the mean of its divisors is an integer number (9300581757).

Almost surely, 2^73285179217 is an apocalyptic number.

It is an amenable number.

73285179217 is a deficient number, since it is larger than the sum of its proper divisors (1119474839).

73285179217 is a wasteful number, since it uses less digits than its factorization.

73285179217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131107.

The product of its digits is 1481760, while the sum is 52.

The spelling of 73285179217 in words is "seventy-three billion, two hundred eighty-five million, one hundred seventy-nine thousand, two hundred seventeen".