2742205755 has 16 divisors (see below), whose sum is σ = 4389564960. Its totient is φ = 1461831168.

The previous prime is 2742205721. The next prime is 2742205769. The reversal of 2742205755 is 5575022472.

It is not a de Polignac number, because 2742205755 - 2⁹ = 2742205243 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8110 + ... + 74499.

It is an arithmetic number, because the mean of its divisors is an integer number (274347810).

Almost surely, 2^2742205755 is an apocalyptic number.

2742205755 is a deficient number, since it is larger than the sum of its proper divisors (1647359205).

2742205755 is a wasteful number, since it uses less digits than its factorization.

2742205755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84830.

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 2742205755 is about 52366.0744662038. The cubic root of 2742205755 is about 1399.6947897593.

The spelling of 2742205755 in words is "two billion, seven hundred forty-two million, two hundred five thousand, seven hundred fifty-five".