17420743071 has 12 divisors (see below), whose sum is σ = 25169267448. Its totient is φ = 11611072464.

The previous prime is 17420743031. The next prime is 17420743129. The reversal of 17420743071 is 17034702471.

17420743071 is a `hidden beast` number, since 17 + 4 + 207 + 430 + 7 + 1 = 666.

It is not a de Polignac number, because 17420743071 - 2¹⁵ = 17420710303 is a prime.

It is a super-2 number, since 2×17420743071² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17420743031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189285 + ... + 265838.

It is an arithmetic number, because the mean of its divisors is an integer number (2097438954).

Almost surely, 2^17420743071 is an apocalyptic number.

17420743071 is a deficient number, since it is larger than the sum of its proper divisors (7748524377).

17420743071 is a wasteful number, since it uses less digits than its factorization.

17420743071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459382 (or 459379 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 17420743071 in words is "seventeen billion, four hundred twenty million, seven hundred forty-three thousand, seventy-one".