2742642775 has 12 divisors (see below), whose sum is σ = 3430976832. Its totient is φ = 2174695040.

The previous prime is 2742642739. The next prime is 2742642803. The reversal of 2742642775 is 5772462472.

It is not a de Polignac number, because 2742642775 - 2¹⁷ = 2742511703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482599 + ... + 488248.

It is an arithmetic number, because the mean of its divisors is an integer number (285914736).

Almost surely, 2^2742642775 is an apocalyptic number.

2742642775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2742642775 is a deficient number, since it is larger than the sum of its proper divisors (688334057).

2742642775 is a wasteful number, since it uses less digits than its factorization.

2742642775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970970 (or 970965 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 46.

The square root of 2742642775 is about 52370.2470397076. The cubic root of 2742642775 is about 1399.7691413555.

The spelling of 2742642775 in words is "two billion, seven hundred forty-two million, six hundred forty-two thousand, seven hundred seventy-five".