6690704 has 10 divisors (see below), whose sum is σ = 12963270. Its totient is φ = 3345344.

The previous prime is 6690703. The next prime is 6690721. The reversal of 6690704 is 4070966.

It can be written as a sum of positive squares in only one way, i.e., 4194304 + 2496400 = 2048^2 + 1580^2 .

It is not an unprimeable number, because it can be changed into a prime (6690701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209069 + ... + 209100.

It is an arithmetic number, because the mean of its divisors is an integer number (1296327).

Almost surely, 2^6690704 is an apocalyptic number.

It is an amenable number.

6690704 is a deficient number, since it is larger than the sum of its proper divisors (6272566).

6690704 is a wasteful number, since it uses less digits than its factorization.

6690704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418177 (or 418171 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6690704 is about 2586.6395187579. The cubic root of 6690704 is about 188.4331344243.

The spelling of 6690704 in words is "six million, six hundred ninety thousand, seven hundred four".