6671739 has 8 divisors (see below), whose sum is σ = 8920080. Its totient is φ = 4435616.

The previous prime is 6671723. The next prime is 6671747. The reversal of 6671739 is 9371766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6671739 - 2⁴ = 6671723 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6671697 and 6671706.

It is not an unprimeable number, because it can be changed into a prime (6671719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (1115010).

Almost surely, 2^6671739 is an apocalyptic number.

6671739 is a deficient number, since it is larger than the sum of its proper divisors (2248341).

6671739 is a wasteful number, since it uses less digits than its factorization.

6671739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109.

The product of its digits is 47628, while the sum is 39.

The square root of 6671739 is about 2582.9709638322. The cubic root of 6671739 is about 188.2549261597.

The spelling of 6671739 in words is "six million, six hundred seventy-one thousand, seven hundred thirty-nine".