3172273305 has 8 divisors (see below), whose sum is σ = 5075637312. Its totient is φ = 1691879088.

The previous prime is 3172273303. The next prime is 3172273309. The reversal of 3172273305 is 5033722713.

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

It is not a de Polignac number, because 3172273305 - 2¹ = 3172273303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3172273303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105742429 + ... + 105742458.

It is an arithmetic number, because the mean of its divisors is an integer number (634454664).

Almost surely, 2^3172273305 is an apocalyptic number.

It is an amenable number.

3172273305 is a deficient number, since it is larger than the sum of its proper divisors (1903364007).

3172273305 is a wasteful number, since it uses less digits than its factorization.

3172273305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211484895.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 3172273305 is about 56322.9376453324. The cubic root of 3172273305 is about 1469.3441634575.

The spelling of 3172273305 in words is "three billion, one hundred seventy-two million, two hundred seventy-three thousand, three hundred five".