6699764 has 6 divisors (see below), whose sum is σ = 11724594. Its totient is φ = 3349880.

The previous prime is 6699757. The next prime is 6699767. The reversal of 6699764 is 4679966.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 94864 = 2570^2 + 308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6699767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837467 + ... + 837474.

It is an arithmetic number, because the mean of its divisors is an integer number (1954099).

Almost surely, 2^6699764 is an apocalyptic number.

It is an amenable number.

6699764 is a deficient number, since it is larger than the sum of its proper divisors (5024830).

6699764 is a wasteful number, since it uses less digits than its factorization.

6699764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674945 (or 1674943 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 6699764 is about 2588.3902333304. The cubic root of 6699764 is about 188.5181496032.

The spelling of 6699764 in words is "six million, six hundred ninety-nine thousand, seven hundred sixty-four".