30768194 has 8 divisors (see below), whose sum is σ = 46193868. Its totient is φ = 15370240.

The previous prime is 30768187. The next prime is 30768233. The reversal of 30768194 is 49186703.

It can be written as a sum of positive squares in 2 ways, for example, as 24453025 + 6315169 = 4945^2 + 2513^2 .

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 3887 + ... + 8754.

Almost surely, 2^30768194 is an apocalyptic number.

30768194 is a deficient number, since it is larger than the sum of its proper divisors (15425674).

30768194 is a wasteful number, since it uses less digits than its factorization.

30768194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13860.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 30768194 is about 5546.9085083495. The cubic root of 30768194 is about 313.3531044815.

The spelling of 30768194 in words is "thirty million, seven hundred sixty-eight thousand, one hundred ninety-four".