6740955761 has 4 divisors (see below), whose sum is σ = 6742711872. Its totient is φ = 6739199652.

The previous prime is 6740955709. The next prime is 6740955763. The reversal of 6740955761 is 1675590476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6740955761 - 2²⁶ = 6673846897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6740955763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872285 + ... + 879978.

It is an arithmetic number, because the mean of its divisors is an integer number (1685677968).

Almost surely, 2^6740955761 is an apocalyptic number.

It is an amenable number.

6740955761 is a deficient number, since it is larger than the sum of its proper divisors (1756111).

6740955761 is a wasteful number, since it uses less digits than its factorization.

6740955761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756110.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 6740955761 is about 82103.3236903355. The cubic root of 6740955761 is about 1889.0371214913.

The spelling of 6740955761 in words is "six billion, seven hundred forty million, nine hundred fifty-five thousand, seven hundred sixty-one".