2776042 has 4 divisors (see below), whose sum is σ = 4164066. Its totient is φ = 1388020.

The previous prime is 2776027. The next prime is 2776051. The reversal of 2776042 is 2406772.

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., 1590121 + 1185921 = 1261^2 + 1089^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2776042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694009 + ... + 694012.

2^2776042 is an apocalyptic number.

2776042 is a deficient number, since it is larger than the sum of its proper divisors (1388024).

2776042 is a wasteful number, since it uses less digits than its factorization.

2776042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388023.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2776042 is about 1666.1458519589. The cubic root of 2776042 is about 140.5428245491.

The spelling of 2776042 in words is "two million, seven hundred seventy-six thousand, forty-two".