2772775 has 12 divisors (see below), whose sum is σ = 3461832. Its totient is φ = 2203040.

The previous prime is 2772767. The next prime is 2772827. The reversal of 2772775 is 5772772.

2772775 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 2772775 - 2³ = 2772767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4644 + ... + 5206.

It is an arithmetic number, because the mean of its divisors is an integer number (288486).

2^2772775 is an apocalyptic number.

2772775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2772775 is a deficient number, since it is larger than the sum of its proper divisors (689057).

2772775 is a wasteful number, since it uses less digits than its factorization.

2772775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 765 counting only the distinct ones).

The product of its digits is 48020, while the sum is 37.

The square root of 2772775 is about 1665.1651569739. The cubic root of 2772775 is about 140.4876700468.

The spelling of 2772775 in words is "two million, seven hundred seventy-two thousand, seven hundred seventy-five".