2872001773 has 4 divisors (see below), whose sum is σ = 2906604288. Its totient is φ = 2837399260.

The previous prime is 2872001771. The next prime is 2872001801. The reversal of 2872001773 is 3771002782.

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 a cyclic number.

It is not a de Polignac number, because 2872001773 - 2¹ = 2872001771 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 (2872001771) 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, 17301133 + ... + 17301298.

It is an arithmetic number, because the mean of its divisors is an integer number (726651072).

Almost surely, 2^2872001773 is an apocalyptic number.

It is an amenable number.

2872001773 is a deficient number, since it is larger than the sum of its proper divisors (34602515).

2872001773 is an equidigital number, since it uses as much as digits as its factorization.

2872001773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34602514.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 2872001773 is about 53591.0605698376. The cubic root of 2872001773 is about 1421.4390247380.

The spelling of 2872001773 in words is "two billion, eight hundred seventy-two million, one thousand, seven hundred seventy-three".