6778130 has 8 divisors (see below), whose sum is σ = 12200652. Its totient is φ = 2711248.

The previous prime is 6778127. The next prime is 6778147. The reversal of 6778130 is 318776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6205081 + 573049 = 2491^2 + 757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338897 + ... + 338916.

Almost surely, 2^6778130 is an apocalyptic number.

6778130 is a deficient number, since it is larger than the sum of its proper divisors (5422522).

6778130 is a wasteful number, since it uses less digits than its factorization.

6778130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677820.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 6778130 is about 2603.4842039083. The cubic root of 6778130 is about 189.2503238519.

The spelling of 6778130 in words is "six million, seven hundred seventy-eight thousand, one hundred thirty".