6671481 has 8 divisors (see below), whose sum is σ = 9063360. Its totient is φ = 4363632.

The previous prime is 6671461. The next prime is 6671501. The reversal of 6671481 is 1841766.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6671461) and next prime (6671501).

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

It is not a de Polignac number, because 6671481 - 2¹⁰ = 6670457 is a prime.

It is a super-2 number, since 2×6671481² = 89017317466722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6671411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20821 + ... + 21138.

It is an arithmetic number, because the mean of its divisors is an integer number (1132920).

Almost surely, 2^6671481 is an apocalyptic number.

It is an amenable number.

6671481 is a deficient number, since it is larger than the sum of its proper divisors (2391879).

6671481 is a wasteful number, since it uses less digits than its factorization.

6671481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42015.

The product of its digits is 8064, while the sum is 33.

The square root of 6671481 is about 2582.9210208599. The cubic root of 6671481 is about 188.2524994862.

It can be divided in two parts, 66714 and 81, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 6671481 in words is "six million, six hundred seventy-one thousand, four hundred eighty-one".