6779650 has 12 divisors (see below), whose sum is σ = 12610242. Its totient is φ = 2711840.

The previous prime is 6779639. The next prime is 6779653. The reversal of 6779650 is 569776.

It can be written as a sum of positive squares in 3 ways, for example, as 6568969 + 210681 = 2563^2 + 459^2 .

It is not an unprimeable number, because it can be changed into a prime (6779653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67747 + ... + 67846.

Almost surely, 2^6779650 is an apocalyptic number.

6779650 is a deficient number, since it is larger than the sum of its proper divisors (5830592).

6779650 is a wasteful number, since it uses less digits than its factorization.

6779650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135605 (or 135600 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 6779650 is about 2603.7761040458. The cubic root of 6779650 is about 189.2644692968.

The spelling of 6779650 in words is "six million, seven hundred seventy-nine thousand, six hundred fifty".