6741581 has 8 divisors (see below), whose sum is σ = 8405184. Its totient is φ = 5253120.

The previous prime is 6741577. The next prime is 6741587. The reversal of 6741581 is 1851476.

It is a happy number.

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 6741581 - 2² = 6741577 is a prime.

It is a super-2 number, since 2×6741581² = 90897828759122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6741587) 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, 43700 + ... + 43853.

It is an arithmetic number, because the mean of its divisors is an integer number (1050648).

Almost surely, 2^6741581 is an apocalyptic number.

It is an amenable number.

6741581 is a deficient number, since it is larger than the sum of its proper divisors (1663603).

6741581 is a wasteful number, since it uses less digits than its factorization.

6741581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87571.

The product of its digits is 6720, while the sum is 32.

The square root of 6741581 is about 2596.4554685186. The cubic root of 6741581 is about 188.9095523851.

The spelling of 6741581 in words is "six million, seven hundred forty-one thousand, five hundred eighty-one".