73206245 has 12 divisors (see below), whose sum is σ = 102190284. Its totient is φ = 50198400.

The previous prime is 73206227. The next prime is 73206257. The reversal of 73206245 is 54260237.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 60808804 = 3521^2 + 7798^2 .

It is not a de Polignac number, because 73206245 - 2²² = 69011941 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 149156 + ... + 149645.

It is an arithmetic number, because the mean of its divisors is an integer number (8515857).

Almost surely, 2^73206245 is an apocalyptic number.

It is an amenable number.

73206245 is a deficient number, since it is larger than the sum of its proper divisors (28984039).

73206245 is a wasteful number, since it uses less digits than its factorization.

73206245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298820 (or 298813 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 73206245 is about 8556.0648080762. The cubic root of 73206245 is about 418.3271421583.

The spelling of 73206245 in words is "seventy-three million, two hundred six thousand, two hundred forty-five".