78033305 has 8 divisors (see below), whose sum is σ = 107017152. Its totient is φ = 53508528.

The previous prime is 78033289. The next prime is 78033313. The reversal of 78033305 is 50333087.

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 78033305 - 2⁴ = 78033289 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1114727 + ... + 1114796.

It is an arithmetic number, because the mean of its divisors is an integer number (13377144).

Almost surely, 2^78033305 is an apocalyptic number.

It is an amenable number.

78033305 is a deficient number, since it is larger than the sum of its proper divisors (28983847).

78033305 is a wasteful number, since it uses less digits than its factorization.

78033305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229535.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 78033305 is about 8833.6461894282. The cubic root of 78033305 is about 427.3266718658.

The spelling of 78033305 in words is "seventy-eight million, thirty-three thousand, three hundred five".