6748181 has 4 divisors (see below), whose sum is σ = 7361664. Its totient is φ = 6134700.

The previous prime is 6748163. The next prime is 6748187. The reversal of 6748181 is 1818476.

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 not a de Polignac number, because 6748181 - 2⁶ = 6748117 is a prime.

It is a super-2 number, since 2×6748181² = 91075893617522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6748187) 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, 306725 + ... + 306746.

It is an arithmetic number, because the mean of its divisors is an integer number (1840416).

Almost surely, 2^6748181 is an apocalyptic number.

It is an amenable number.

6748181 is a deficient number, since it is larger than the sum of its proper divisors (613483).

6748181 is a wasteful number, since it uses less digits than its factorization.

6748181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613482.

The product of its digits is 10752, while the sum is 35.

The square root of 6748181 is about 2597.7261210528. The cubic root of 6748181 is about 188.9711796895.

The spelling of 6748181 in words is "six million, seven hundred forty-eight thousand, one hundred eighty-one".