30160073 has 2 divisors, whose sum is σ = 30160074. Its totient is φ = 30160072.

The previous prime is 30160063. The next prime is 30160103. The reversal of 30160073 is 37006103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16224784 + 13935289 = 4028^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 30160073 - 2¹⁸ = 29897929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30160063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15080036 + 15080037.

It is an arithmetic number, because the mean of its divisors is an integer number (15080037).

Almost surely, 2^30160073 is an apocalyptic number.

It is an amenable number.

30160073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30160073 is an equidigital number, since it uses as much as digits as its factorization.

30160073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30160073 is about 5491.8187333524. The cubic root of 30160073 is about 311.2749194846.

Adding to 30160073 its reverse (37006103), we get a palindrome (67166176).

The spelling of 30160073 in words is "thirty million, one hundred sixty thousand, seventy-three".