73306545 has 16 divisors (see below), whose sum is σ = 126313152. Its totient is φ = 36089280.

The previous prime is 73306517. The next prime is 73306547. The reversal of 73306545 is 54560337.

It is not a de Polignac number, because 73306545 - 2⁶ = 73306481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73306547) 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 15 ways as a sum of consecutive naturals, for example, 187771 + ... + 188160.

It is an arithmetic number, because the mean of its divisors is an integer number (7894572).

Almost surely, 2^73306545 is an apocalyptic number.

It is an amenable number.

73306545 is a deficient number, since it is larger than the sum of its proper divisors (53006607).

73306545 is a wasteful number, since it uses less digits than its factorization.

73306545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375952.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 73306545 is about 8561.9241412197. The cubic root of 73306545 is about 418.5181052134.

The spelling of 73306545 in words is "seventy-three million, three hundred six thousand, five hundred forty-five".