2766745 has 8 divisors (see below), whose sum is σ = 3434760. Its totient is φ = 2136960.

The previous prime is 2766737. The next prime is 2766763. The reversal of 2766745 is 5476672.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 2702736 = 253^2 + 1644^2 .

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

It is not a de Polignac number, because 2766745 - 2³ = 2766737 is a prime.

2766745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9396 + ... + 9685.

It is an arithmetic number, because the mean of its divisors is an integer number (429345).

2^2766745 is an apocalyptic number.

It is an amenable number.

2766745 is a deficient number, since it is larger than the sum of its proper divisors (668015).

2766745 is a wasteful number, since it uses less digits than its factorization.

2766745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115.

The product of its digits is 70560, while the sum is 37.

The square root of 2766745 is about 1663.3535402914. The cubic root of 2766745 is about 140.3857558404.

It can be divided in two parts, 276 and 6745, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 2766745 in words is "two million, seven hundred sixty-six thousand, seven hundred forty-five".