73305985 has 8 divisors (see below), whose sum is σ = 88165800. Its totient is φ = 58512384.

The previous prime is 73305961. The next prime is 73306001. The reversal of 73305985 is 58950337.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7436529 + 65869456 = 2727^2 + 8116^2 .

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 73305985 - 2¹³ = 73297793 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 14082 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (11020725).

Almost surely, 2^73305985 is an apocalyptic number.

It is an amenable number.

73305985 is a deficient number, since it is larger than the sum of its proper divisors (14859815).

73305985 is a wasteful number, since it uses less digits than its factorization.

73305985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33107.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 73305985 is about 8561.8914382279. The cubic root of 73305985 is about 418.5170395026.

The spelling of 73305985 in words is "seventy-three million, three hundred five thousand, nine hundred eighty-five".