6978074 has 4 divisors (see below), whose sum is σ = 10467114. Its totient is φ = 3489036.

The previous prime is 6978061. The next prime is 6978091. The reversal of 6978074 is 4708796.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 511225 = 2543^2 + 715^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744517 + ... + 1744520.

Almost surely, 2^6978074 is an apocalyptic number.

6978074 is a deficient number, since it is larger than the sum of its proper divisors (3489040).

6978074 is a wasteful number, since it uses less digits than its factorization.

6978074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489039.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6978074 is about 2641.6044367013. The cubic root of 6978074 is about 191.0931811444.

The spelling of 6978074 in words is "six million, nine hundred seventy-eight thousand, seventy-four".