2772656 has 10 divisors (see below), whose sum is σ = 5372052. Its totient is φ = 1386320.

The previous prime is 2772647. The next prime is 2772697. The reversal of 2772656 is 6562772.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86630 + ... + 86661.

2^2772656 is an apocalyptic number.

It is an amenable number.

2772656 is a deficient number, since it is larger than the sum of its proper divisors (2599396).

2772656 is a wasteful number, since it uses less digits than its factorization.

2772656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173299 (or 173293 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 2772656 is about 1665.1294243992. The cubic root of 2772656 is about 140.4856602345.

The spelling of 2772656 in words is "two million, seven hundred seventy-two thousand, six hundred fifty-six".