2756781706 has 16 divisors (see below), whose sum is σ = 4974644160. Its totient is φ = 1119294720.

The previous prime is 2756781701. The next prime is 2756781707. The reversal of 2756781706 is 6071876572.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2756781706.

It is not an unprimeable number, because it can be changed into a prime (2756781701) 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, 5181655 + ... + 5182186.

It is an arithmetic number, because the mean of its divisors is an integer number (310915260).

Almost surely, 2^2756781706 is an apocalyptic number.

2756781706 is a deficient number, since it is larger than the sum of its proper divisors (2217862454).

2756781706 is a wasteful number, since it uses less digits than its factorization.

2756781706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363869.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 2756781706 is about 52505.0636224736. The cubic root of 2756781706 is about 1402.1703930664.

The spelling of 2756781706 in words is "two billion, seven hundred fifty-six million, seven hundred eighty-one thousand, seven hundred six".