2765066 has 4 divisors (see below), whose sum is σ = 4147602. Its totient is φ = 1382532.

The previous prime is 2765053. The next prime is 2765093. The reversal of 2765066 is 6605672.

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

It can be written as a sum of positive squares in only one way, i.e., 2468041 + 297025 = 1571^2 + 545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691265 + ... + 691268.

2^2765066 is an apocalyptic number.

2765066 is a deficient number, since it is larger than the sum of its proper divisors (1382536).

2765066 is a wasteful number, since it uses less digits than its factorization.

2765066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382535.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2765066 is about 1662.8487604109. The cubic root of 2765066 is about 140.3573523820.

Subtracting 2765066 from its reverse (6605672), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2765066 in words is "two million, seven hundred sixty-five thousand, sixty-six".