73229764617 has 6 divisors (see below), whose sum is σ = 105776326682. Its totient is φ = 48819843072.

The previous prime is 73229764589. The next prime is 73229764649. The reversal of 73229764617 is 71646792237.

73229764617 is a `hidden beast` number, since 73 + 22 + 97 + 6 + 461 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58223759616 + 15006005001 = 241296^2 + 122499^2 .

It is not a de Polignac number, because 73229764617 - 2¹² = 73229760521 is a prime.

It is a super-2 number, since 2×73229764617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73229764687) 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 5 ways as a sum of consecutive naturals, for example, 4068320248 + ... + 4068320265.

Almost surely, 2^73229764617 is an apocalyptic number.

It is an amenable number.

73229764617 is a deficient number, since it is larger than the sum of its proper divisors (32546562065).

73229764617 is a wasteful number, since it uses less digits than its factorization.

73229764617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136640519 (or 8136640516 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The spelling of 73229764617 in words is "seventy-three billion, two hundred twenty-nine million, seven hundred sixty-four thousand, six hundred seventeen".