6978374 has 16 divisors (see below), whose sum is σ = 11393088. Its totient is φ = 3186432.

The previous prime is 6978371. The next prime is 6978383. The reversal of 6978374 is 4738796.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6⁵ + 9⁴ + 7⁶ + 8⁵ + 3⁵ + 7⁸ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978371) 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 7 ways as a sum of consecutive naturals, for example, 1139 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (712068).

Almost surely, 2^6978374 is an apocalyptic number.

6978374 is a deficient number, since it is larger than the sum of its proper divisors (4414714).

6978374 is a wasteful number, since it uses less digits than its factorization.

6978374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879.

The product of its digits is 254016, while the sum is 44.

The square root of 6978374 is about 2641.6612197630. The cubic root of 6978374 is about 191.0959195855.

The spelling of 6978374 in words is "six million, nine hundred seventy-eight thousand, three hundred seventy-four".