2776066 has 8 divisors (see below), whose sum is σ = 4409100. Its totient is φ = 1306368.

The previous prime is 2776063. The next prime is 2776091. The reversal of 2776066 is 6606772.

It can be written as a sum of positive squares in 2 ways, for example, as 2468041 + 308025 = 1571^2 + 555^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 81649 = 2776066 / (2 + 7 + 7 + 6 + 0 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (2776061) 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, 40791 + ... + 40858.

2^2776066 is an apocalyptic number.

2776066 is a deficient number, since it is larger than the sum of its proper divisors (1633034).

2776066 is a wasteful number, since it uses less digits than its factorization.

2776066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81668.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 2776066 is about 1666.1530541940. The cubic root of 2776066 is about 140.5432295643.

The spelling of 2776066 in words is "two million, seven hundred seventy-six thousand, sixty-six".