6672788 has 6 divisors (see below), whose sum is σ = 11677386. Its totient is φ = 3336392.

The previous prime is 6672779. The next prime is 6672797. The reversal of 6672788 is 8872766.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6672779) and next prime (6672797).

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 1373584 = 2302^2 + 1172^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 834095 + ... + 834102.

It is an arithmetic number, because the mean of its divisors is an integer number (1946231).

Almost surely, 2^6672788 is an apocalyptic number.

It is an amenable number.

6672788 is a deficient number, since it is larger than the sum of its proper divisors (5004598).

6672788 is a wasteful number, since it uses less digits than its factorization.

6672788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668201 (or 1668199 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 6672788 is about 2583.1740165928. The cubic root of 6672788 is about 188.2647921067.

The spelling of 6672788 in words is "six million, six hundred seventy-two thousand, seven hundred eighty-eight".