30004047 has 16 divisors (see below), whose sum is σ = 44534880. Its totient is φ = 19964736.

The previous prime is 30004043. The next prime is 30004057. The reversal of 30004047 is 74040003.

It is not a de Polignac number, because 30004047 - 2² = 30004043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26803 + ... + 27899.

It is an arithmetic number, because the mean of its divisors is an integer number (2783430).

Almost surely, 2^30004047 is an apocalyptic number.

30004047 is a deficient number, since it is larger than the sum of its proper divisors (14530833).

30004047 is a wasteful number, since it uses less digits than its factorization.

30004047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30004047 is about 5477.5950014582. The cubic root of 30004047 is about 310.7372221560.

The spelling of 30004047 in words is "thirty million, four thousand, forty-seven".