6997378 has 16 divisors (see below), whose sum is σ = 10777536. Its totient is φ = 3406000.

The previous prime is 6997373. The next prime is 6997379. The reversal of 6997378 is 8737996.

It is not an unprimeable number, because it can be changed into a prime (6997373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26475 + ... + 26737.

It is an arithmetic number, because the mean of its divisors is an integer number (673596).

Almost surely, 2^6997378 is an apocalyptic number.

6997378 is a deficient number, since it is larger than the sum of its proper divisors (3780158).

6997378 is a wasteful number, since it uses less digits than its factorization.

6997378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its digits is 571536, while the sum is 49.

The square root of 6997378 is about 2645.2557532307. The cubic root of 6997378 is about 191.2692309823.

The spelling of 6997378 in words is "six million, nine hundred ninety-seven thousand, three hundred seventy-eight".