6741921 has 16 divisors (see below), whose sum is σ = 9446400. Its totient is φ = 4268880.

The previous prime is 6741913. The next prime is 6741929. The reversal of 6741921 is 1291476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6741913) and next prime (6741929).

It is not a de Polignac number, because 6741921 - 2³ = 6741913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6741929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13486 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (590400).

Almost surely, 2^6741921 is an apocalyptic number.

It is an amenable number.

6741921 is a deficient number, since it is larger than the sum of its proper divisors (2704479).

6741921 is a wasteful number, since it uses less digits than its factorization.

6741921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its digits is 3024, while the sum is 30.

The square root of 6741921 is about 2596.5209415678. The cubic root of 6741921 is about 188.9127281074.

The spelling of 6741921 in words is "six million, seven hundred forty-one thousand, nine hundred twenty-one".