73629638605 has 16 divisors (see below), whose sum is σ = 92236339584. Its totient is φ = 56318708160.

The previous prime is 73629638591. The next prime is 73629638627. The reversal of 73629638605 is 50683692637.

It is not a de Polignac number, because 73629638605 - 2¹⁷ = 73629507533 is a prime.

It is a super-2 number, since 2×73629638605² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 137647 + ... + 407683.

It is an arithmetic number, because the mean of its divisors is an integer number (5764771224).

Almost surely, 2^73629638605 is an apocalyptic number.

It is an amenable number.

73629638605 is a deficient number, since it is larger than the sum of its proper divisors (18606700979).

73629638605 is a wasteful number, since it uses less digits than its factorization.

73629638605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272436.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 73629638605 in words is "seventy-three billion, six hundred twenty-nine million, six hundred thirty-eight thousand, six hundred five".