6690802 has 4 divisors (see below), whose sum is σ = 10036206. Its totient is φ = 3345400.

The previous prime is 6690797. The next prime is 6690829. The reversal of 6690802 is 2080966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2080966 = 2 ⋅1040483.

It can be written as a sum of positive squares in only one way, i.e., 6661561 + 29241 = 2581^2 + 171^2 .

It is an unprimeable number.

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, 1672699 + ... + 1672702.

Almost surely, 2^6690802 is an apocalyptic number.

6690802 is a deficient number, since it is larger than the sum of its proper divisors (3345404).

6690802 is a wasteful number, since it uses less digits than its factorization.

6690802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345403.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6690802 is about 2586.6584621863. The cubic root of 6690802 is about 188.4340544250.

The spelling of 6690802 in words is "six million, six hundred ninety thousand, eight hundred two".