6778034 has 4 divisors (see below), whose sum is σ = 10167054. Its totient is φ = 3389016.

The previous prime is 6778033. The next prime is 6778039. The reversal of 6778034 is 4308776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5784025 + 994009 = 2405^2 + 997^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6777985 and 6778003.

It is not an unprimeable number, because it can be changed into a prime (6778033) by changing a digit.

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 as a sum of consecutive naturals, namely, 1694507 + ... + 1694510.

Almost surely, 2^6778034 is an apocalyptic number.

6778034 is a deficient number, since it is larger than the sum of its proper divisors (3389020).

6778034 is a wasteful number, since it uses less digits than its factorization.

6778034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389019.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 6778034 is about 2603.4657670114. The cubic root of 6778034 is about 189.2494303844.

The spelling of 6778034 in words is "six million, seven hundred seventy-eight thousand, thirty-four".