30470530 has 8 divisors (see below), whose sum is σ = 54846972. Its totient is φ = 12188208.

The previous prime is 30470507. The next prime is 30470533. The reversal of 30470530 is 3507403.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 3751969 = 5169^2 + 1937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30470533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523517 + ... + 1523536.

Almost surely, 2^30470530 is an apocalyptic number.

30470530 is a deficient number, since it is larger than the sum of its proper divisors (24376442).

30470530 is a wasteful number, since it uses less digits than its factorization.

30470530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047060.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 30470530 is about 5520.0117753498. The cubic root of 30470530 is about 312.3393264697.

Adding to 30470530 its reverse (3507403), we get a palindrome (33977933).

The spelling of 30470530 in words is "thirty million, four hundred seventy thousand, five hundred thirty".