2731906765 has 24 divisors (see below), whose sum is σ = 3916620288. Its totient is φ = 1791847200.

The previous prime is 2731906757. The next prime is 2731906781. The reversal of 2731906765 is 5676091372.

It is not a de Polignac number, because 2731906765 - 2³ = 2731906757 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 55261 + ... + 92290.

It is an arithmetic number, because the mean of its divisors is an integer number (163192512).

Almost surely, 2^2731906765 is an apocalyptic number.

It is an amenable number.

2731906765 is a deficient number, since it is larger than the sum of its proper divisors (1184713523).

2731906765 is a wasteful number, since it uses less digits than its factorization.

2731906765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147609 (or 147586 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 2731906765 is about 52267.6454893465. The cubic root of 2731906765 is about 1397.9402986028.

The spelling of 2731906765 in words is "two billion, seven hundred thirty-one million, nine hundred six thousand, seven hundred sixty-five".