6979738 has 4 divisors (see below), whose sum is σ = 10469610. Its totient is φ = 3489868.

The previous prime is 6979733. The next prime is 6979769. The reversal of 6979738 is 8379796.

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., 5870929 + 1108809 = 2423^2 + 1053^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6979691 and 6979700.

It is not an unprimeable number, because it can be changed into a prime (6979733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744933 + ... + 1744936.

Almost surely, 2^6979738 is an apocalyptic number.

6979738 is a deficient number, since it is larger than the sum of its proper divisors (3489872).

6979738 is a wasteful number, since it uses less digits than its factorization.

6979738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489871.

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

The square root of 6979738 is about 2641.9193780280. The cubic root of 6979738 is about 191.1083693746.

The spelling of 6979738 in words is "six million, nine hundred seventy-nine thousand, seven hundred thirty-eight".