30678426 has 40 divisors (see below), whose sum is σ = 72367680. Its totient is φ = 9686952.

The previous prime is 30678419. The next prime is 30678449. The reversal of 30678426 is 62487603.

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 19 ways as a sum of consecutive naturals, for example, 1906 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1809192).

Almost surely, 2^30678426 is an apocalyptic number.

30678426 is an abundant number, since it is smaller than the sum of its proper divisors (41689254).

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

30678426 is a wasteful number, since it uses less digits than its factorization.

30678426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000 (or 9991 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 30678426 is about 5538.8108832131. The cubic root of 30678426 is about 313.0480656484.

It can be divided in two parts, 30678 and 426, that multiplied together give a triangular number (13068828 = T₅₁₁₂).

The spelling of 30678426 in words is "thirty million, six hundred seventy-eight thousand, four hundred twenty-six".