2742855 has 8 divisors (see below), whose sum is σ = 4388592. Its totient is φ = 1462848.

The previous prime is 2742853. The next prime is 2742863. The reversal of 2742855 is 5582472.

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

It is not a de Polignac number, because 2742855 - 2¹ = 2742853 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 4 + 2²¹ + 8³ + 5³ + 5⁵ .

2742855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91414 + ... + 91443.

It is an arithmetic number, because the mean of its divisors is an integer number (548574).

2^2742855 is an apocalyptic number.

2742855 is a deficient number, since it is larger than the sum of its proper divisors (1645737).

2742855 is a wasteful number, since it uses less digits than its factorization.

2742855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182865.

The product of its digits is 22400, while the sum is 33.

The square root of 2742855 is about 1656.1566954851. The cubic root of 2742855 is about 139.9805245018.

The spelling of 2742855 in words is "two million, seven hundred forty-two thousand, eight hundred fifty-five".