6670538 has 8 divisors (see below), whose sum is σ = 11435232. Its totient is φ = 2858796.

The previous prime is 6670537. The next prime is 6670553. The reversal of 6670538 is 8350766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6670498 and 6670507.

It is not an unprimeable number, because it can be changed into a prime (6670537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238220 + ... + 238247.

It is an arithmetic number, because the mean of its divisors is an integer number (1429404).

Almost surely, 2^6670538 is an apocalyptic number.

6670538 is a deficient number, since it is larger than the sum of its proper divisors (4764694).

6670538 is a wasteful number, since it uses less digits than its factorization.

6670538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476476.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6670538 is about 2582.7384691447. The cubic root of 6670538 is about 188.2436293682.

The spelling of 6670538 in words is "six million, six hundred seventy thousand, five hundred thirty-eight".