730710173 has 2 divisors, whose sum is σ = 730710174. Its totient is φ = 730710172.

The previous prime is 730710163. The next prime is 730710179. The reversal of 730710173 is 371017037.

It is a happy number.

730710173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433389124 + 297321049 = 20818^2 + 17243^2 .

It is a cyclic number.

It is not a de Polignac number, because 730710173 - 2⁴ = 730710157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730710179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365355086 + 365355087.

It is an arithmetic number, because the mean of its divisors is an integer number (365355087).

Almost surely, 2^730710173 is an apocalyptic number.

It is an amenable number.

730710173 is a deficient number, since it is larger than the sum of its proper divisors (1).

730710173 is an equidigital number, since it uses as much as digits as its factorization.

730710173 is an odious number, because the sum of its binary digits is odd.

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

The square root of 730710173 is about 27031.6513184082. The cubic root of 730710173 is about 900.7032252809.

The spelling of 730710173 in words is "seven hundred thirty million, seven hundred ten thousand, one hundred seventy-three".