2772376045 has 8 divisors (see below), whose sum is σ = 3327574680. Its totient is φ = 2217418560.

The previous prime is 2772376039. The next prime is 2772376063. The reversal of 2772376045 is 5406732772.

It can be written as a sum of positive squares in 4 ways, for example, as 187060329 + 2585315716 = 13677^2 + 50846^2 .

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

It is not a de Polignac number, because 2772376045 - 2¹⁹ = 2771851757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2772375992 and 2772376010.

It is a congruent number.

It is an unprimeable number.

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, 33946 + ... + 81835.

It is an arithmetic number, because the mean of its divisors is an integer number (415946835).

Almost surely, 2^2772376045 is an apocalyptic number.

It is an amenable number.

2772376045 is a deficient number, since it is larger than the sum of its proper divisors (555198635).

2772376045 is a wasteful number, since it uses less digits than its factorization.

2772376045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120575.

The product of its (nonzero) digits is 493920, while the sum is 43.

The square root of 2772376045 is about 52653.3573953267. The cubic root of 2772376045 is about 1404.8093179757.

The spelling of 2772376045 in words is "two billion, seven hundred seventy-two million, three hundred seventy-six thousand, forty-five".