6627943 has 8 divisors (see below), whose sum is σ = 8020512. Its totient is φ = 5346816.

The previous prime is 6627917. The next prime is 6627949. The reversal of 6627943 is 3497266.

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

It is a 9-Lehmer number, since φ(6627943) divides (6627943-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 6627943 - 2⁵ = 6627911 is a prime.

It is a super-2 number, since 2×6627943² = 87859256822498, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁶ + 6⁸ + 2 + 7⁶ + 9⁷ + 4⁵ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627949) 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 7 ways as a sum of consecutive naturals, for example, 27730 + ... + 27967.

It is an arithmetic number, because the mean of its divisors is an integer number (1002564).

Almost surely, 2^6627943 is an apocalyptic number.

6627943 is a deficient number, since it is larger than the sum of its proper divisors (1392569).

6627943 is a wasteful number, since it uses less digits than its factorization.

6627943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55721.

The product of its digits is 54432, while the sum is 37.

The square root of 6627943 is about 2574.4791706285. The cubic root of 6627943 is about 187.8420942832.

The spelling of 6627943 in words is "six million, six hundred twenty-seven thousand, nine hundred forty-three".