2772670545 has 12 divisors (see below), whose sum is σ = 4805962356. Its totient is φ = 1478757600.

The previous prime is 2772670519. The next prime is 2772670561. The reversal of 2772670545 is 5450762772.

It can be written as a sum of positive squares in 2 ways, for example, as 2192486976 + 580183569 = 46824^2 + 24087^2 .

It is not a de Polignac number, because 2772670545 - 2⁸ = 2772670289 is a prime.

It is a super-2 number, since 2×2772670545² = 15375403902221194050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 61614901 = 2772670545 / (2 + 7 + 7 + 2 + 6 + 7 + 0 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2772670545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30807406 + ... + 30807495.

It is an arithmetic number, because the mean of its divisors is an integer number (400496863).

Almost surely, 2^2772670545 is an apocalyptic number.

It is an amenable number.

2772670545 is a deficient number, since it is larger than the sum of its proper divisors (2033291811).

2772670545 is a wasteful number, since it uses less digits than its factorization.

2772670545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61614912 (or 61614909 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 2772670545 is about 52656.1539138589. The cubic root of 2772670545 is about 1404.8590589066.

The spelling of 2772670545 in words is "two billion, seven hundred seventy-two million, six hundred seventy thousand, five hundred forty-five".