47130530 has 8 divisors (see below), whose sum is σ = 84834972. Its totient is φ = 18852208.

The previous prime is 47130527. The next prime is 47130533. The reversal of 47130530 is 3503174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47130527) and next prime (47130533).

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 2468041 = 6683^2 + 1571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47130496 and 47130505.

It is not an unprimeable number, because it can be changed into a prime (47130533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356517 + ... + 2356536.

Almost surely, 2^47130530 is an apocalyptic number.

47130530 is a deficient number, since it is larger than the sum of its proper divisors (37704442).

47130530 is a wasteful number, since it uses less digits than its factorization.

47130530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713060.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 47130530 is about 6865.1678785009. The cubic root of 47130530 is about 361.2163843674.

The spelling of 47130530 in words is "forty-seven million, one hundred thirty thousand, five hundred thirty".