73606505505 has 32 divisors (see below), whose sum is σ = 126859993344. Its totient is φ = 36228385536.

The previous prime is 73606505491. The next prime is 73606505509. The reversal of 73606505505 is 50550560637.

It is a happy number.

It is not a de Polignac number, because 73606505505 - 2⁷ = 73606505377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73606505509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814492 + ... + 900338.

It is an arithmetic number, because the mean of its divisors is an integer number (3964374792).

Almost surely, 2^73606505505 is an apocalyptic number.

It is an amenable number.

73606505505 is a deficient number, since it is larger than the sum of its proper divisors (53253487839).

73606505505 is a wasteful number, since it uses less digits than its factorization.

73606505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90265.

The product of its (nonzero) digits is 472500, while the sum is 42.

The spelling of 73606505505 in words is "seventy-three billion, six hundred six million, five hundred five thousand, five hundred five".