6774399 has 12 divisors (see below), whose sum is σ = 10101312. Its totient is φ = 4370400.

The previous prime is 6774379. The next prime is 6774401. The reversal of 6774399 is 9934776.

It is not a de Polignac number, because 6774399 - 2²¹ = 4677247 is a prime.

It is a super-2 number, since 2×6774399² = 91784963622402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11862 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (841776).

Almost surely, 2^6774399 is an apocalyptic number.

6774399 is a deficient number, since it is larger than the sum of its proper divisors (3326913).

6774399 is a wasteful number, since it uses less digits than its factorization.

6774399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24318 (or 24315 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 6774399 is about 2602.7675654964. The cubic root of 6774399 is about 189.2155934000.

The spelling of 6774399 in words is "six million, seven hundred seventy-four thousand, three hundred ninety-nine".