30768005 has 8 divisors (see below), whose sum is σ = 37780512. Its totient is φ = 24041808.

The previous prime is 30767981. The next prime is 30768013. The reversal of 30768005 is 50086703.

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 30768005 - 2²⁰ = 29719429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71339 + ... + 71768.

It is an arithmetic number, because the mean of its divisors is an integer number (4722564).

Almost surely, 2^30768005 is an apocalyptic number.

It is an amenable number.

30768005 is a deficient number, since it is larger than the sum of its proper divisors (7012507).

30768005 is a wasteful number, since it uses less digits than its factorization.

30768005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143155.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 30768005 is about 5546.8914718065. The cubic root of 30768005 is about 313.3524628681.

The spelling of 30768005 in words is "thirty million, seven hundred sixty-eight thousand, five".