6696378 has 32 divisors (see below), whose sum is σ = 16027200. Its totient is φ = 2060208.

The previous prime is 6696377. The next prime is 6696383. The reversal of 6696378 is 8736966.

6696378 is a `hidden beast` number, since 6 + 6 + 9 + 637 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (6696373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

Almost surely, 2^6696378 is an apocalyptic number.

6696378 is an abundant number, since it is smaller than the sum of its proper divisors (9330822).

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

6696378 is a wasteful number, since it uses less digits than its factorization.

6696378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563 (or 9557 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 6696378 is about 2587.7360761871. The cubic root of 6696378 is about 188.4863857968.

The spelling of 6696378 in words is "six million, six hundred ninety-six thousand, three hundred seventy-eight".