30163047 has 4 divisors (see below), whose sum is σ = 40217400. Its totient is φ = 20108696.

The previous prime is 30163043. The next prime is 30163073. The reversal of 30163047 is 74036103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30163047 - 2² = 30163043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163043) 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 3 ways as a sum of consecutive naturals, for example, 5027172 + ... + 5027177.

It is an arithmetic number, because the mean of its divisors is an integer number (10054350).

Almost surely, 2^30163047 is an apocalyptic number.

30163047 is a deficient number, since it is larger than the sum of its proper divisors (10054353).

30163047 is a wasteful number, since it uses less digits than its factorization.

30163047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054352.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30163047 is about 5492.0894930800. The cubic root of 30163047 is about 311.2851504632.

The spelling of 30163047 in words is "thirty million, one hundred sixty-three thousand, forty-seven".