6642607 has 8 divisors (see below), whose sum is σ = 6960096. Its totient is φ = 6327552.

The previous prime is 6642593. The next prime is 6642613. The reversal of 6642607 is 7062466.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6642607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642637) 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, 7323 + ... + 8179.

It is an arithmetic number, because the mean of its divisors is an integer number (870012).

Almost surely, 2^6642607 is an apocalyptic number.

6642607 is a deficient number, since it is larger than the sum of its proper divisors (317489).

6642607 is a wasteful number, since it uses less digits than its factorization.

6642607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 6642607 is about 2577.3255518075. The cubic root of 6642607 is about 187.9805227294.

The spelling of 6642607 in words is "six million, six hundred forty-two thousand, six hundred seven".