2772736573 has 4 divisors (see below), whose sum is σ = 2772919548. Its totient is φ = 2772553600.

The previous prime is 2772736553. The next prime is 2772736579. The reversal of 2772736573 is 3756372772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1410978969 + 1361757604 = 37563^2 + 36902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772736573 - 2⁵ = 2772736541 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 (2772736579) 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, 66478 + ... + 99823.

It is an arithmetic number, because the mean of its divisors is an integer number (693229887).

Almost surely, 2^2772736573 is an apocalyptic number.

It is an amenable number.

2772736573 is a deficient number, since it is larger than the sum of its proper divisors (182975).

2772736573 is a wasteful number, since it uses less digits than its factorization.

2772736573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182974.

The product of its digits is 2593080, while the sum is 49.

The square root of 2772736573 is about 52656.7808833772. The cubic root of 2772736573 is about 1404.8702105257.

The spelling of 2772736573 in words is "two billion, seven hundred seventy-two million, seven hundred thirty-six thousand, five hundred seventy-three".