6730378 has 8 divisors (see below), whose sum is σ = 10443780. Its totient is φ = 3249120.

The previous prime is 6730369. The next prime is 6730391. The reversal of 6730378 is 8730376.

It can be written as a sum of positive squares in 2 ways, for example, as 5968249 + 762129 = 2443^2 + 873^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57963 + ... + 58078.

Almost surely, 2^6730378 is an apocalyptic number.

6730378 is a deficient number, since it is larger than the sum of its proper divisors (3713402).

6730378 is a wasteful number, since it uses less digits than its factorization.

6730378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116072.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 6730378 is about 2594.2972073377. The cubic root of 6730378 is about 188.8048525577.

The spelling of 6730378 in words is "six million, seven hundred thirty thousand, three hundred seventy-eight".