6980739 has 4 divisors (see below), whose sum is σ = 9307656. Its totient is φ = 4653824.

The previous prime is 6980737. The next prime is 6980777. The reversal of 6980739 is 9370896.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6980739 - 2¹ = 6980737 is a prime.

It is a super-2 number, since 2×6980739² = 97461433972242, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6980739.

It is not an unprimeable number, because it can be changed into a prime (6980731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163454 + ... + 1163459.

It is an arithmetic number, because the mean of its divisors is an integer number (2326914).

Almost surely, 2^6980739 is an apocalyptic number.

6980739 is a deficient number, since it is larger than the sum of its proper divisors (2326917).

6980739 is a wasteful number, since it uses less digits than its factorization.

6980739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326916.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 6980739 is about 2642.1088168355. The cubic root of 6980739 is about 191.1175048814.

It can be divided in two parts, 69 and 80739, that added together give a palindrome (80808).

The spelling of 6980739 in words is "six million, nine hundred eighty thousand, seven hundred thirty-nine".