6880739 has 4 divisors (see below), whose sum is σ = 6993600. Its totient is φ = 6767880.

The previous prime is 6880721. The next prime is 6880771. The reversal of 6880739 is 9370886.

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 6880739 - 2²⁰ = 5832163 is a prime.

It is a super-2 number, since 2×6880739² = 94689138372242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 6880696 and 6880705.

It is not an unprimeable number, because it can be changed into a prime (6880789) 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, 56339 + ... + 56460.

It is an arithmetic number, because the mean of its divisors is an integer number (1748400).

Almost surely, 2^6880739 is an apocalyptic number.

6880739 is a deficient number, since it is larger than the sum of its proper divisors (112861).

6880739 is a wasteful number, since it uses less digits than its factorization.

6880739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112860.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6880739 is about 2623.1162764925. The cubic root of 6880739 is about 190.2005177630.

The spelling of 6880739 in words is "six million, eight hundred eighty thousand, seven hundred thirty-nine".