2642755 has 8 divisors (see below), whose sum is σ = 3188592. Its totient is φ = 2102688.

The previous prime is 2642713. The next prime is 2642771. The reversal of 2642755 is 5572462.

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 2642755 - 2¹¹ = 2640707 is a prime.

It is a d-powerful number, because it can be written as 2³ + 6⁶ + 4⁵ + 2¹⁹ + 7⁶ + 5 + 5⁹ .

It is a Duffinian 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, 357 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (398574).

2^2642755 is an apocalyptic number.

2642755 is a deficient number, since it is larger than the sum of its proper divisors (545837).

2642755 is a wasteful number, since it uses less digits than its factorization.

2642755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its digits is 16800, while the sum is 31.

The square root of 2642755 is about 1625.6552525059. The cubic root of 2642755 is about 138.2565241894.

The spelling of 2642755 in words is "two million, six hundred forty-two thousand, seven hundred fifty-five".