6625678 has 8 divisors (see below), whose sum is σ = 9965880. Its totient is φ = 3303720.

The previous prime is 6625673. The next prime is 6625687. The reversal of 6625678 is 8765266.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6625678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625673) 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, 3613 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1245735).

Almost surely, 2^6625678 is an apocalyptic number.

6625678 is a deficient number, since it is larger than the sum of its proper divisors (3340202).

6625678 is a wasteful number, since it uses less digits than its factorization.

6625678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122.

The product of its digits is 120960, while the sum is 40.

The square root of 6625678 is about 2574.0392382402. The cubic root of 6625678 is about 187.8206944403.

The spelling of 6625678 in words is "six million, six hundred twenty-five thousand, six hundred seventy-eight".