73505163 has 8 divisors (see below), whose sum is σ = 98046976. Its totient is φ = 48983400.

The previous prime is 73505153. The next prime is 73505191. The reversal of 73505163 is 36150537.

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

It is not a de Polignac number, because 73505163 - 2⁴ = 73505147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73505163.

It is not an unprimeable number, because it can be changed into a prime (73505153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9798 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (12255872).

Almost surely, 2^73505163 is an apocalyptic number.

73505163 is a deficient number, since it is larger than the sum of its proper divisors (24541813).

73505163 is a wasteful number, since it uses less digits than its factorization.

73505163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 73505163 is about 8573.5152067282. The cubic root of 73505163 is about 418.8957443823.

The spelling of 73505163 in words is "seventy-three million, five hundred five thousand, one hundred sixty-three".