30680817 has 8 divisors (see below), whose sum is σ = 41030496. Its totient is φ = 20392512.

The previous prime is 30680813. The next prime is 30680831. The reversal of 30680817 is 71808603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30680817 - 2² = 30680813 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30680813) 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 7 ways as a sum of consecutive naturals, for example, 14163 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (5128812).

Almost surely, 2^30680817 is an apocalyptic number.

It is an amenable number.

30680817 is a deficient number, since it is larger than the sum of its proper divisors (10349679).

30680817 is a wasteful number, since it uses less digits than its factorization.

30680817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30687.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 30680817 is about 5539.0267195600. The cubic root of 30680817 is about 313.0561981655.

The spelling of 30680817 in words is "thirty million, six hundred eighty thousand, eight hundred seventeen".