2672661705 has 32 divisors (see below), whose sum is σ = 4889478144. Its totient is φ = 1221206976.

The previous prime is 2672661703. The next prime is 2672661763. The reversal of 2672661705 is 5071662762.

It is not a de Polignac number, because 2672661705 - 2¹ = 2672661703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2672661701) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 279534 + ... + 288936.

It is an arithmetic number, because the mean of its divisors is an integer number (152796192).

Almost surely, 2^2672661705 is an apocalyptic number.

It is an amenable number.

2672661705 is a deficient number, since it is larger than the sum of its proper divisors (2216816439).

2672661705 is a wasteful number, since it uses less digits than its factorization.

2672661705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2672661705 is about 51697.7920708419. The cubic root of 2672661705 is about 1387.7609527852.

The spelling of 2672661705 in words is "two billion, six hundred seventy-two million, six hundred sixty-one thousand, seven hundred five".