6777249 has 8 divisors (see below), whose sum is σ = 9429312. Its totient is φ = 4321680.

The previous prime is 6777241. The next prime is 6777263. The reversal of 6777249 is 9427776.

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

It is not a de Polignac number, because 6777249 - 2³ = 6777241 is a prime.

It is a super-2 number, since 2×6777249² = 91862208016002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6777249.

It is not an unprimeable number, because it can be changed into a prime (6777241) 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, 49042 + ... + 49179.

It is an arithmetic number, because the mean of its divisors is an integer number (1178664).

Almost surely, 2^6777249 is an apocalyptic number.

6777249 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6777249 is a deficient number, since it is larger than the sum of its proper divisors (2652063).

6777249 is a wasteful number, since it uses less digits than its factorization.

6777249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98247.

The product of its digits is 148176, while the sum is 42.

The square root of 6777249 is about 2603.3150020695. The cubic root of 6777249 is about 189.2421241095.

The spelling of 6777249 in words is "six million, seven hundred seventy-seven thousand, two hundred forty-nine".