6671047305 has 64 divisors (see below), whose sum is σ = 12273795072. Its totient is φ = 3068271360.

The previous prime is 6671047289. The next prime is 6671047379. The reversal of 6671047305 is 5037401766.

It is not a de Polignac number, because 6671047305 - 2⁴ = 6671047289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175560 + ... + 210150.

It is an arithmetic number, because the mean of its divisors is an integer number (191778048).

Almost surely, 2^6671047305 is an apocalyptic number.

6671047305 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6671047305 is a deficient number, since it is larger than the sum of its proper divisors (5602747767).

6671047305 is a wasteful number, since it uses less digits than its factorization.

6671047305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34678.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 6671047305 is about 81676.4795090974. The cubic root of 6671047305 is about 1882.4842013528.

The spelling of 6671047305 in words is "six billion, six hundred seventy-one million, forty-seven thousand, three hundred five".