2172764573 has 8 divisors (see below), whose sum is σ = 2483547648. Its totient is φ = 1862078544.

The previous prime is 2172764533. The next prime is 2172764617. The reversal of 2172764573 is 3754672712.

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

It is a cyclic number.

It is not a de Polignac number, because 2172764573 - 2²⁸ = 1904329117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172764533) 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, 32615 + ... + 73547.

It is an arithmetic number, because the mean of its divisors is an integer number (310443456).

Almost surely, 2^2172764573 is an apocalyptic number.

It is an amenable number.

2172764573 is a deficient number, since it is larger than the sum of its proper divisors (310783075).

2172764573 is an equidigital number, since it uses as much as digits as its factorization.

2172764573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48523.

The product of its digits is 493920, while the sum is 44.

The square root of 2172764573 is about 46612.9228111690. The cubic root of 2172764573 is about 1295.2021514747.

The spelling of 2172764573 in words is "two billion, one hundred seventy-two million, seven hundred sixty-four thousand, five hundred seventy-three".