30070647 has 12 divisors (see below), whose sum is σ = 44360160. Its totient is φ = 19620288.

The previous prime is 30070643. The next prime is 30070661. The reversal of 30070647 is 74607003.

It is not a de Polignac number, because 30070647 - 2² = 30070643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30070647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30070643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35122 + ... + 35967.

It is an arithmetic number, because the mean of its divisors is an integer number (3696680).

Almost surely, 2^30070647 is an apocalyptic number.

30070647 is a deficient number, since it is larger than the sum of its proper divisors (14289513).

30070647 is a wasteful number, since it uses less digits than its factorization.

30070647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71142 (or 71139 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30070647 is about 5483.6709419877. The cubic root of 30070647 is about 310.9669667806.

The spelling of 30070647 in words is "thirty million, seventy thousand, six hundred forty-seven".