30047330 has 48 divisors (see below), whose sum is σ = 59216616. Its totient is φ = 10967040.

The previous prime is 30047323. The next prime is 30047333. The reversal of 30047330 is 3374003.

It can be written as a sum of positive squares in 12 ways, for example, as 19439281 + 10608049 = 4409^2 + 3257^2 .

It is not an unprimeable number, because it can be changed into a prime (30047333) 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 in 23 ways as a sum of consecutive naturals, for example, 106790 + ... + 107070.

Almost surely, 2^30047330 is an apocalyptic number.

30047330 is a deficient number, since it is larger than the sum of its proper divisors (29169286).

30047330 is a wasteful number, since it uses less digits than its factorization.

30047330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30047330 is about 5481.5444903786. The cubic root of 30047330 is about 310.8865706423.

The spelling of 30047330 in words is "thirty million, forty-seven thousand, three hundred thirty".