117430073 has 2 divisors, whose sum is σ = 117430074. Its totient is φ = 117430072.

The previous prime is 117430057. The next prime is 117430081. The reversal of 117430073 is 370034711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105124009 + 12306064 = 10253^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 117430073 - 2⁴ = 117430057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_6703523 and since 117430073 and 6703523 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (117430003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58715036 + 58715037.

It is an arithmetic number, because the mean of its divisors is an integer number (58715037).

Almost surely, 2^117430073 is an apocalyptic number.

It is an amenable number.

117430073 is a deficient number, since it is larger than the sum of its proper divisors (1).

117430073 is an equidigital number, since it uses as much as digits as its factorization.

117430073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 117430073 is about 10836.5157223159. The cubic root of 117430073 is about 489.6958726402.

Adding to 117430073 its reverse (370034711), we get a palindrome (487464784).

The spelling of 117430073 in words is "one hundred seventeen million, four hundred thirty thousand, seventy-three".