3670645 has 8 divisors (see below), whose sum is σ = 4805280. Its totient is φ = 2669520.

The previous prime is 3670637. The next prime is 3670649. The reversal of 3670645 is 5460763.

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

It is not a de Polignac number, because 3670645 - 2³ = 3670637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3670649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33315 + ... + 33424.

It is an arithmetic number, because the mean of its divisors is an integer number (600660).

Almost surely, 2^3670645 is an apocalyptic number.

It is an amenable number.

3670645 is a deficient number, since it is larger than the sum of its proper divisors (1134635).

3670645 is a wasteful number, since it uses less digits than its factorization.

3670645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66755.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3670645 is about 1915.8927423006. The cubic root of 3670645 is about 154.2579165986.

The spelling of 3670645 in words is "three million, six hundred seventy thousand, six hundred forty-five".