2771245742 has 16 divisors (see below), whose sum is σ = 4321836000. Its totient is φ = 1331114400.

The previous prime is 2771245739. The next prime is 2771245747. The reversal of 2771245742 is 2475421772.

It is a self number, because there is not a number n which added to its sum of digits gives 2771245742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771245747) 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, 108509 + ... + 131592.

It is an arithmetic number, because the mean of its divisors is an integer number (270114750).

Almost surely, 2^2771245742 is an apocalyptic number.

2771245742 is a deficient number, since it is larger than the sum of its proper divisors (1550590258).

2771245742 is a wasteful number, since it uses less digits than its factorization.

2771245742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240331.

The product of its digits is 219520, while the sum is 41.

The square root of 2771245742 is about 52642.6228639873. The cubic root of 2771245742 is about 1404.6183775452.

The spelling of 2771245742 in words is "two billion, seven hundred seventy-one million, two hundred forty-five thousand, seven hundred forty-two".