1071730173 has 4 divisors (see below), whose sum is σ = 1428973568. Its totient is φ = 714486780.

The previous prime is 1071730157. The next prime is 1071730181. The reversal of 1071730173 is 3710371701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1071730173 - 2⁴ = 1071730157 is a prime.

It is a super-2 number, since 2×1071730173² = 2297211127437219858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071730173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071730273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178621693 + ... + 178621698.

It is an arithmetic number, because the mean of its divisors is an integer number (357243392).

Almost surely, 2^1071730173 is an apocalyptic number.

It is an amenable number.

1071730173 is a deficient number, since it is larger than the sum of its proper divisors (357243395).

1071730173 is an equidigital number, since it uses as much as digits as its factorization.

1071730173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357243394.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 1071730173 is about 32737.2902513327. The cubic root of 1071730173 is about 1023.3601135945.

The spelling of 1071730173 in words is "one billion, seventy-one million, seven hundred thirty thousand, one hundred seventy-three".