30680334 has 12 divisors (see below), whose sum is σ = 66474096. Its totient is φ = 10226772.

The previous prime is 30680333. The next prime is 30680357. The reversal of 30680334 is 43308603.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30680298 and 30680307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30680333) 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 5 ways as a sum of consecutive naturals, for example, 852214 + ... + 852249.

It is an arithmetic number, because the mean of its divisors is an integer number (5539508).

Almost surely, 2^30680334 is an apocalyptic number.

30680334 is an abundant number, since it is smaller than the sum of its proper divisors (35793762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30680334 is a wasteful number, since it uses less digits than its factorization.

30680334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704471 (or 1704468 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30680334 is about 5538.9831196710. The cubic root of 30680334 is about 313.0545553699.

Adding to 30680334 its reverse (43308603), we get a palindrome (73988937).

The spelling of 30680334 in words is "thirty million, six hundred eighty thousand, three hundred thirty-four".