30352073 has 2 divisors, whose sum is σ = 30352074. Its totient is φ = 30352072.

The previous prime is 30352061. The next prime is 30352103. The reversal of 30352073 is 37025303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25321024 + 5031049 = 5032^2 + 2243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30352073 is a prime.

It is not a weakly prime, because it can be changed into another prime (30352043) 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 as a sum of consecutive naturals, namely, 15176036 + 15176037.

It is an arithmetic number, because the mean of its divisors is an integer number (15176037).

Almost surely, 2^30352073 is an apocalyptic number.

It is an amenable number.

30352073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30352073 is an equidigital number, since it uses as much as digits as its factorization.

30352073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 30352073 is about 5509.2715489437. The cubic root of 30352073 is about 311.9340515061.

Adding to 30352073 its reverse (37025303), we get a palindrome (67377376).

The spelling of 30352073 in words is "thirty million, three hundred fifty-two thousand, seventy-three".