73206545 has 8 divisors (see below), whose sum is σ = 89159424. Its totient is φ = 57690864.

The previous prime is 73206521. The next prime is 73206547. The reversal of 73206545 is 54560237.

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

It is a cyclic number.

It is not a de Polignac number, because 73206545 - 2⁶ = 73206481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73206547) 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, 108929 + ... + 109598.

It is an arithmetic number, because the mean of its divisors is an integer number (11144928).

Almost surely, 2^73206545 is an apocalyptic number.

It is an amenable number.

73206545 is a deficient number, since it is larger than the sum of its proper divisors (15952879).

73206545 is a wasteful number, since it uses less digits than its factorization.

73206545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218599.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 73206545 is about 8556.0823394822. The cubic root of 73206545 is about 418.3277135940.

The spelling of 73206545 in words is "seventy-three million, two hundred six thousand, five hundred forty-five".