117730073 has 2 divisors, whose sum is σ = 117730074. Its totient is φ = 117730072.

The previous prime is 117730043. The next prime is 117730091. The reversal of 117730073 is 370037711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70023424 + 47706649 = 8368^2 + 6907^2 .

It is a cyclic number.

It is not a de Polignac number, because 117730073 - 2¹⁰ = 117729049 is a prime.

It is not a weakly prime, because it can be changed into another prime (117730003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58865036 + 58865037.

It is an arithmetic number, because the mean of its divisors is an integer number (58865037).

Almost surely, 2^117730073 is an apocalyptic number.

It is an amenable number.

117730073 is a deficient number, since it is larger than the sum of its proper divisors (1).

117730073 is an equidigital number, since it uses as much as digits as its factorization.

117730073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 117730073 is about 10850.3489805628. The cubic root of 117730073 is about 490.1125286470.

Adding to 117730073 its reverse (370037711), we get a palindrome (487767784).

The spelling of 117730073 in words is "one hundred seventeen million, seven hundred thirty thousand, seventy-three".