73078305 has 16 divisors (see below), whose sum is σ = 118843584. Its totient is φ = 38335680.

The previous prime is 73078303. The next prime is 73078309. The reversal of 73078305 is 50387037.

It is not a de Polignac number, because 73078305 - 2¹ = 73078303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73078303) 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 15 ways as a sum of consecutive naturals, for example, 39019 + ... + 40848.

It is an arithmetic number, because the mean of its divisors is an integer number (7427724).

Almost surely, 2^73078305 is an apocalyptic number.

It is an amenable number.

73078305 is a deficient number, since it is larger than the sum of its proper divisors (45765279).

73078305 is a wasteful number, since it uses less digits than its factorization.

73078305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79936.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 73078305 is about 8548.5849706253. The cubic root of 73078305 is about 418.0833014693.

The spelling of 73078305 in words is "seventy-three million, seventy-eight thousand, three hundred five".