6772749 has 24 divisors (see below), whose sum is σ = 9924480. Its totient is φ = 4093440.

The previous prime is 6772729. The next prime is 6772751. The reversal of 6772749 is 9472776.

It is not a de Polignac number, because 6772749 - 2⁹ = 6772237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6772749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6772729) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 85692 + ... + 85770.

It is an arithmetic number, because the mean of its divisors is an integer number (413520).

Almost surely, 2^6772749 is an apocalyptic number.

It is an amenable number.

6772749 is a deficient number, since it is larger than the sum of its proper divisors (3151731).

6772749 is a wasteful number, since it uses less digits than its factorization.

6772749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 140 counting only the distinct ones).

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

The square root of 6772749 is about 2602.4505758996. The cubic root of 6772749 is about 189.2002301144.

It can be divided in two parts, 67727 and 49, that added together give a palindrome (67776).

The spelling of 6772749 in words is "six million, seven hundred seventy-two thousand, seven hundred forty-nine".