2740740738 has 24 divisors (see below), whose sum is σ = 5633650512. Its totient is φ = 888886224.

The previous prime is 2740740727. The next prime is 2740740757. The reversal of 2740740738 is 8370470472.

It is a self number, because there is not a number n which added to its sum of digits gives 2740740738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158620 + ... + 175047.

It is an arithmetic number, because the mean of its divisors is an integer number (234735438).

Almost surely, 2^2740740738 is an apocalyptic number.

2740740738 is an abundant number, since it is smaller than the sum of its proper divisors (2892909774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740740738 is a wasteful number, since it uses less digits than its factorization.

2740740738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333746 (or 333709 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 2740740738 is about 52352.0843711117. The cubic root of 2740740738 is about 1399.4454841363.

The spelling of 2740740738 in words is "two billion, seven hundred forty million, seven hundred forty thousand, seven hundred thirty-eight".