6776761 has 12 divisors (see below), whose sum is σ = 7294320. Its totient is φ = 6294080.

The previous prime is 6776753. The next prime is 6776771. The reversal of 6776761 is 1676776.

It is not a de Polignac number, because 6776761 - 2³ = 6776753 is a prime.

It is a super-2 number, since 2×6776761² = 91848979302242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6776741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37770 + ... + 37948.

It is an arithmetic number, because the mean of its divisors is an integer number (607860).

Almost surely, 2^6776761 is an apocalyptic number.

It is an amenable number.

6776761 is a deficient number, since it is larger than the sum of its proper divisors (517559).

6776761 is a wasteful number, since it uses less digits than its factorization.

6776761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 327 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 6776761 is about 2603.2212737299. The cubic root of 6776761 is about 189.2375818352.

Subtracting from 6776761 its sum of digits (40), we obtain a triangular number (6776721 = T₃₆₈₁).

The spelling of 6776761 in words is "six million, seven hundred seventy-six thousand, seven hundred sixty-one".