6627992 has 32 divisors (see below), whose sum is σ = 14411520. Its totient is φ = 2798880.

The previous prime is 6627991. The next prime is 6628007. The reversal of 6627992 is 2997266.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627991) 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, 3143 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (450360).

Almost surely, 2^6627992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6627992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7205760).

6627992 is an abundant number, since it is smaller than the sum of its proper divisors (7783528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6627992 is a wasteful number, since it uses less digits than its factorization.

6627992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1747 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 6627992 is about 2574.4886870989. The cubic root of 6627992 is about 187.8425571840.

The spelling of 6627992 in words is "six million, six hundred twenty-seven thousand, nine hundred ninety-two".