30345673 has 2 divisors, whose sum is σ = 30345674. Its totient is φ = 30345672.

The previous prime is 30345643. The next prime is 30345701. The reversal of 30345673 is 37654303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30118144 + 227529 = 5488^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 30345673 - 2¹³ = 30337481 is a prime.

It is not a weakly prime, because it can be changed into another prime (30345643) 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, 15172836 + 15172837.

It is an arithmetic number, because the mean of its divisors is an integer number (15172837).

Almost surely, 2^30345673 is an apocalyptic number.

It is an amenable number.

30345673 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345673 is an equidigital number, since it uses as much as digits as its factorization.

30345673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 30345673 is about 5508.6906792812. The cubic root of 30345673 is about 311.9121252908.

Adding to 30345673 its reverse (37654303), we get a palindrome (67999976).

The spelling of 30345673 in words is "thirty million, three hundred forty-five thousand, six hundred seventy-three".