306034073 has 2 divisors, whose sum is σ = 306034074. Its totient is φ = 306034072.

The previous prime is 306034063. The next prime is 306034093. The reversal of 306034073 is 370430603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305970064 + 64009 = 17492^2 + 253^2 .

It is an emirp because it is prime and its reverse (370430603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306034073 - 2¹⁸ = 305771929 is a prime.

It is not a weakly prime, because it can be changed into another prime (306034033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153017036 + 153017037.

It is an arithmetic number, because the mean of its divisors is an integer number (153017037).

Almost surely, 2^306034073 is an apocalyptic number.

It is an amenable number.

306034073 is a deficient number, since it is larger than the sum of its proper divisors (1).

306034073 is an equidigital number, since it uses as much as digits as its factorization.

306034073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 306034073 is about 17493.8295693081. The cubic root of 306034073 is about 673.8914207538.

Adding to 306034073 its reverse (370430603), we get a palindrome (676464676).

The spelling of 306034073 in words is "three hundred six million, thirty-four thousand, seventy-three".