30032473 has 2 divisors, whose sum is σ = 30032474. Its totient is φ = 30032472.

The previous prime is 30032467. The next prime is 30032543. The reversal of 30032473 is 37423003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23941449 + 6091024 = 4893^2 + 2468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30032473 is a prime.

It is not a weakly prime, because it can be changed into another prime (30032413) 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 as a sum of consecutive naturals, namely, 15016236 + 15016237.

It is an arithmetic number, because the mean of its divisors is an integer number (15016237).

Almost surely, 2^30032473 is an apocalyptic number.

It is an amenable number.

30032473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032473 is an equidigital number, since it uses as much as digits as its factorization.

30032473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 30032473 is about 5480.1891390718. The cubic root of 30032473 is about 310.8353225696.

Adding to 30032473 its reverse (37423003), we get a palindrome (67455476).

It can be divided in two parts, 3003 and 2473, that added together give a square (5476 = 74²).

The spelling of 30032473 in words is "thirty million, thirty-two thousand, four hundred seventy-three".