30680427 has 16 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 19147392.

The previous prime is 30680417. The next prime is 30680471. The reversal of 30680427 is 72408603.

It is not a de Polignac number, because 30680427 - 2¹¹ = 30678379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30680394 and 30680403.

It is not an unprimeable number, because it can be changed into a prime (30680407) 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 15 ways as a sum of consecutive naturals, for example, 8638 + ... + 11660.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^30680427 is an apocalyptic number.

30680427 is a deficient number, since it is larger than the sum of its proper divisors (12865173).

30680427 is a wasteful number, since it uses less digits than its factorization.

30680427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30680427 is about 5538.9915147073. The cubic root of 30680427 is about 313.0548716859.

The spelling of 30680427 in words is "thirty million, six hundred eighty thousand, four hundred twenty-seven".