6777740 has 24 divisors (see below), whose sum is σ = 14364000. Its totient is φ = 2686208.

The previous prime is 6777739. The next prime is 6777769. The reversal of 6777740 is 477776.

6777740 = T₄₄₅ + T₄₄₆ + ... + T₅₀₄.

It is a junction number, because it is equal to n+sod(n) for n = 6777694 and 6777703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^6777740 is an apocalyptic number.

It is an amenable number.

6777740 is an abundant number, since it is smaller than the sum of its proper divisors (7586260).

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

6777740 is a wasteful number, since it uses less digits than its factorization.

6777740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 6777740 is about 2603.4093032022. The cubic root of 6777740 is about 189.2466940877.

The spelling of 6777740 in words is "six million, seven hundred seventy-seven thousand, seven hundred forty".