2731906766 has 16 divisors (see below), whose sum is σ = 4456180656. Its totient is φ = 1250856576.

The previous prime is 2731906757. The next prime is 2731906781. The reversal of 2731906766 is 6676091372.

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 2731906766.

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 7 ways as a sum of consecutive naturals, for example, 1084556 + ... + 1087071.

It is an arithmetic number, because the mean of its divisors is an integer number (278511291).

Almost surely, 2^2731906766 is an apocalyptic number.

2731906766 is a deficient number, since it is larger than the sum of its proper divisors (1724273890).

2731906766 is a wasteful number, since it uses less digits than its factorization.

2731906766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171683.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 2731906766 is about 52267.6454989126. The cubic root of 2731906766 is about 1397.9402987734.

The spelling of 2731906766 in words is "two billion, seven hundred thirty-one million, nine hundred six thousand, seven hundred sixty-six".