6637006 has 4 divisors (see below), whose sum is σ = 9955512. Its totient is φ = 3318502.

The previous prime is 6637003. The next prime is 6637049. The reversal of 6637006 is 6007366.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6637003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659250 + ... + 1659253.

It is an arithmetic number, because the mean of its divisors is an integer number (2488878).

Almost surely, 2^6637006 is an apocalyptic number.

6637006 is a deficient number, since it is larger than the sum of its proper divisors (3318506).

6637006 is a wasteful number, since it uses less digits than its factorization.

6637006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318505.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 6637006 is about 2576.2387311738. The cubic root of 6637006 is about 187.9276732496.

The spelling of 6637006 in words is "six million, six hundred thirty-seven thousand, six".