3173705421 has 8 divisors (see below), whose sum is σ = 4262495424. Its totient is φ = 2100359520.

The previous prime is 3173705419. The next prime is 3173705443. The reversal of 3173705421 is 1245073713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3173705421 - 2¹ = 3173705419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3173705471) 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 7 ways as a sum of consecutive naturals, for example, 3860545 + ... + 3861366.

It is an arithmetic number, because the mean of its divisors is an integer number (532811928).

Almost surely, 2^3173705421 is an apocalyptic number.

It is an amenable number.

3173705421 is a deficient number, since it is larger than the sum of its proper divisors (1088790003).

3173705421 is a wasteful number, since it uses less digits than its factorization.

3173705421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722051.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 3173705421 is about 56335.6496456729. The cubic root of 3173705421 is about 1469.5652409527.

The spelling of 3173705421 in words is "three billion, one hundred seventy-three million, seven hundred five thousand, four hundred twenty-one".