2742105 has 16 divisors (see below), whose sum is σ = 4529664. Its totient is φ = 1415040.

The previous prime is 2742073. The next prime is 2742119. The reversal of 2742105 is 5012472.

It is not a de Polignac number, because 2742105 - 2⁵ = 2742073 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 2484 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (283104).

2^2742105 is an apocalyptic number.

It is an amenable number.

2742105 is a deficient number, since it is larger than the sum of its proper divisors (1787559).

2742105 is a wasteful number, since it uses less digits than its factorization.

2742105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2742105 is about 1655.9302521544. The cubic root of 2742105 is about 139.9677646872.

Adding to 2742105 its reverse (5012472), we get a palindrome (7754577).

The spelling of 2742105 in words is "two million, seven hundred forty-two thousand, one hundred five".