6773455720 has 16 divisors (see below), whose sum is σ = 15240275460. Its totient is φ = 2709382272.

The previous prime is 6773455697. The next prime is 6773455747. The reversal of 6773455720 is 275543776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6638012676 + 135443044 = 81474^2 + 11638^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84668157 + ... + 84668236.

Almost surely, 2^6773455720 is an apocalyptic number.

It is an amenable number.

6773455720 is an abundant number, since it is smaller than the sum of its proper divisors (8466819740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6773455720 is a wasteful number, since it uses less digits than its factorization.

6773455720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169336404 (or 169336400 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 46.

The square root of 6773455720 is about 82301.0067982160. The cubic root of 6773455720 is about 1892.0681074789.

The spelling of 6773455720 in words is "six billion, seven hundred seventy-three million, four hundred fifty-five thousand, seven hundred twenty".