30232073 has 2 divisors, whose sum is σ = 30232074. Its totient is φ = 30232072.

The previous prime is 30232063. The next prime is 30232079. The reversal of 30232073 is 37023203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16711744 + 13520329 = 4088^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232073 - 2⁶ = 30232009 is a prime.

It is not a weakly prime, because it can be changed into another prime (30232079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116036 + 15116037.

It is an arithmetic number, because the mean of its divisors is an integer number (15116037).

Almost surely, 2^30232073 is an apocalyptic number.

It is an amenable number.

30232073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232073 is an equidigital number, since it uses as much as digits as its factorization.

30232073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30232073 is about 5498.3700312002. The cubic root of 30232073 is about 311.5224209141.

Adding to 30232073 its reverse (37023203), we get a palindrome (67255276).

The spelling of 30232073 in words is "thirty million, two hundred thirty-two thousand, seventy-three".