73213105 has 24 divisors (see below), whose sum is σ = 102928320. Its totient is φ = 49845600.

The previous prime is 73213093. The next prime is 73213123. The reversal of 73213105 is 50131237.

It is not a de Polignac number, because 73213105 - 2⁵ = 73213073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36006 + ... + 37984.

It is an arithmetic number, because the mean of its divisors is an integer number (4288680).

Almost surely, 2^73213105 is an apocalyptic number.

It is an amenable number.

73213105 is a deficient number, since it is larger than the sum of its proper divisors (29715215).

73213105 is a wasteful number, since it uses less digits than its factorization.

73213105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 73213105 is about 8556.4656839141. The cubic root of 73213105 is about 418.3402085962.

The spelling of 73213105 in words is "seventy-three million, two hundred thirteen thousand, one hundred five".