2740105 has 8 divisors (see below), whose sum is σ = 3431232. Its totient is φ = 2096688.

The previous prime is 2740093. The next prime is 2740139. The reversal of 2740105 is 5010472.

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

It is a cyclic number.

It is not a de Polignac number, because 2740105 - 2⁷ = 2739977 is a prime.

It is a super-2 number, since 2×2740105² = 15016350822050, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11799 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (428904).

2^2740105 is an apocalyptic number.

It is an amenable number.

2740105 is a deficient number, since it is larger than the sum of its proper divisors (691127).

2740105 is a wasteful number, since it uses less digits than its factorization.

2740105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2740105 is about 1655.3262518307. The cubic root of 2740105 is about 139.9337271363.

Adding to 2740105 its reverse (5010472), we get a palindrome (7750577).

The spelling of 2740105 in words is "two million, seven hundred forty thousand, one hundred five".