6994140 has 48 divisors (see below), whose sum is σ = 20738592. Its totient is φ = 1755136.

The previous prime is 6994121. The next prime is 6994151. The reversal of 6994140 is 414996.

It is a congruent number.

It is an unprimeable number.

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, 2409 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (432054).

Almost surely, 2^6994140 is an apocalyptic number.

6994140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6994140 is an abundant number, since it is smaller than the sum of its proper divisors (13744452).

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

6994140 is a wasteful number, since it uses less digits than its factorization.

6994140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886 (or 6884 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 6994140 is about 2644.6436432911. The cubic root of 6994140 is about 191.2397234856.

The spelling of 6994140 in words is "six million, nine hundred ninety-four thousand, one hundred forty".