30070156 has 6 divisors (see below), whose sum is σ = 52622780. Its totient is φ = 15035076.

The previous prime is 30070151. The next prime is 30070169. The reversal of 30070156 is 65107003.

It is not an unprimeable number, because it can be changed into a prime (30070151) by changing a digit.

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 as a sum of consecutive naturals, namely, 3758766 + ... + 3758773.

Almost surely, 2^30070156 is an apocalyptic number.

It is an amenable number.

30070156 is a deficient number, since it is larger than the sum of its proper divisors (22552624).

30070156 is a wasteful number, since it uses less digits than its factorization.

30070156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517543 (or 7517541 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 30070156 is about 5483.6261725249. The cubic root of 30070156 is about 310.9652742595.

Adding to 30070156 its reverse (65107003), we get a palindrome (95177159).

The spelling of 30070156 in words is "thirty million, seventy thousand, one hundred fifty-six".