73436505 has 8 divisors (see below), whose sum is σ = 117498432. Its totient is φ = 39166128.

The previous prime is 73436483. The next prime is 73436509. The reversal of 73436505 is 50563437.

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

It is not a de Polignac number, because 73436505 - 2⁸ = 73436249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73436509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447869 + ... + 2447898.

It is an arithmetic number, because the mean of its divisors is an integer number (14687304).

Almost surely, 2^73436505 is an apocalyptic number.

It is an amenable number.

73436505 is a deficient number, since it is larger than the sum of its proper divisors (44061927).

73436505 is a wasteful number, since it uses less digits than its factorization.

73436505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895775.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 73436505 is about 8569.5101960380. The cubic root of 73436505 is about 418.7652796088.

The spelling of 73436505 in words is "seventy-three million, four hundred thirty-six thousand, five hundred five".