6764144 has 10 divisors (see below), whose sum is σ = 13105560. Its totient is φ = 3382064.

The previous prime is 6764137. The next prime is 6764161. The reversal of 6764144 is 4414676.

It is a self number, because there is not a number n which added to its sum of digits gives 6764144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211364 + ... + 211395.

It is an arithmetic number, because the mean of its divisors is an integer number (1310556).

Almost surely, 2^6764144 is an apocalyptic number.

It is an amenable number.

6764144 is a deficient number, since it is larger than the sum of its proper divisors (6341416).

6764144 is a wasteful number, since it uses less digits than its factorization.

6764144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422767 (or 422761 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 6764144 is about 2600.7968009823. The cubic root of 6764144 is about 189.1200677868.

The spelling of 6764144 in words is "six million, seven hundred sixty-four thousand, one hundred forty-four".