2782773 has 12 divisors (see below), whose sum is σ = 4593888. Its totient is φ = 1590120.

The previous prime is 2782771. The next prime is 2782783. The reversal of 2782773 is 3772872.

2782773 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2782773 - 2¹ = 2782771 is a prime.

2782773 is strictly pandigital in base 8.

2782773 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22023 + ... + 22148.

It is an arithmetic number, because the mean of its divisors is an integer number (382824).

2^2782773 is an apocalyptic number.

It is an amenable number.

2782773 is a deficient number, since it is larger than the sum of its proper divisors (1811115).

2782773 is a wasteful number, since it uses less digits than its factorization.

2782773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44184 (or 44181 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 2782773 is about 1668.1645602278. The cubic root of 2782773 is about 140.6563230966.

Subtracting 2782773 from its reverse (3772872), we obtain a palindrome (990099).

The spelling of 2782773 in words is "two million, seven hundred eighty-two thousand, seven hundred seventy-three".