47530730 has 32 divisors (see below), whose sum is σ = 92873088. Its totient is φ = 17409600.

The previous prime is 47530727. The next prime is 47530733. The reversal of 47530730 is 3703574.

47530730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47530727) and next prime (47530733).

It is a junction number, because it is equal to n+sod(n) for n = 47530693 and 47530702.

It is not an unprimeable number, because it can be changed into a prime (47530733) 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 15 ways as a sum of consecutive naturals, for example, 15635 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (2902284).

Almost surely, 2^47530730 is an apocalyptic number.

47530730 is a deficient number, since it is larger than the sum of its proper divisors (45342358).

47530730 is a wasteful number, since it uses less digits than its factorization.

47530730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 47530730 is about 6894.2534041040. The cubic root of 47530730 is about 362.2359043528.

The spelling of 47530730 in words is "forty-seven million, five hundred thirty thousand, seven hundred thirty".