6674581 has 4 divisors (see below), whose sum is σ = 6725664. Its totient is φ = 6623500.

The previous prime is 6674573. The next prime is 6674599. The reversal of 6674581 is 1854766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6674581 - 2³ = 6674573 is a prime.

It is a super-2 number, since 2×6674581² = 89100063051122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6674581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6674561) 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, 25345 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (1681416).

Almost surely, 2^6674581 is an apocalyptic number.

It is an amenable number.

6674581 is a deficient number, since it is larger than the sum of its proper divisors (51083).

6674581 is a wasteful number, since it uses less digits than its factorization.

6674581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51082.

The product of its digits is 40320, while the sum is 37.

The square root of 6674581 is about 2583.5210469435. The cubic root of 6674581 is about 188.2816530521.

It can be divided in two parts, 66 and 74581, that added together give a palindrome (74647).

The spelling of 6674581 in words is "six million, six hundred seventy-four thousand, five hundred eighty-one".