6777834 has 16 divisors (see below), whose sum is σ = 15492288. Its totient is φ = 1936512.

The previous prime is 6777829. The next prime is 6777839. The reversal of 6777834 is 4387776.

It is an interprime number because it is at equal distance from previous prime (6777829) and next prime (6777839).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 161377 = 6777834 / (6 + 7 + 7 + 7 + 8 + 3 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6777839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80647 + ... + 80730.

It is an arithmetic number, because the mean of its divisors is an integer number (968268).

Almost surely, 2^6777834 is an apocalyptic number.

6777834 is an abundant number, since it is smaller than the sum of its proper divisors (8714454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6777834 is a wasteful number, since it uses less digits than its factorization.

6777834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161389.

The product of its digits is 197568, while the sum is 42.

The square root of 6777834 is about 2603.4273563900. The cubic root of 6777834 is about 189.2475689667.

The spelling of 6777834 in words is "six million, seven hundred seventy-seven thousand, eight hundred thirty-four".