2771742 has 8 divisors (see below), whose sum is σ = 5543496. Its totient is φ = 923912.

The previous prime is 2771729. The next prime is 2771759. The reversal of 2771742 is 2471772.

2771742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2771742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230973 + ... + 230984.

It is an arithmetic number, because the mean of its divisors is an integer number (692937).

2^2771742 is an apocalyptic number.

2771742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2771742 is a wasteful number, since it uses less digits than its factorization.

2771742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461962.

The product of its digits is 5488, while the sum is 30.

The square root of 2771742 is about 1664.8549486367. The cubic root of 2771742 is about 140.4702216075.

Adding to 2771742 its sum of digits (30), we get a palindrome (2771772).

The spelling of 2771742 in words is "two million, seven hundred seventy-one thousand, seven hundred forty-two".