6945678 has 48 divisors (see below), whose sum is σ = 16548480. Its totient is φ = 2095632.

The previous prime is 6945671. The next prime is 6945683. The reversal of 6945678 is 8765496.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7425 + ... + 8307.

It is an arithmetic number, because the mean of its divisors is an integer number (344760).

Almost surely, 2^6945678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6945678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8274240).

6945678 is an abundant number, since it is smaller than the sum of its proper divisors (9602802).

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

6945678 is a wasteful number, since it uses less digits than its factorization.

6945678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 930 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6945678 is about 2635.4654237914. The cubic root of 6945678 is about 190.7970029723.

The spelling of 6945678 in words is "six million, nine hundred forty-five thousand, six hundred seventy-eight".