73163055 has 32 divisors (see below), whose sum is σ = 136318464. Its totient is φ = 32812416.

The previous prime is 73163033. The next prime is 73163059. The reversal of 73163055 is 55036137.

It is not a de Polignac number, because 73163055 - 2⁸ = 73162799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73163059) 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 31 ways as a sum of consecutive naturals, for example, 1009 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (4259952).

Almost surely, 2^73163055 is an apocalyptic number.

73163055 is a deficient number, since it is larger than the sum of its proper divisors (63155409).

73163055 is a wasteful number, since it uses less digits than its factorization.

73163055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215.

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

The square root of 73163055 is about 8553.5404950231. The cubic root of 73163055 is about 418.2448581784.

The spelling of 73163055 in words is "seventy-three million, one hundred sixty-three thousand, fifty-five".