6731404 has 12 divisors (see below), whose sum is σ = 11888800. Its totient is φ = 3334608.

The previous prime is 6731401. The next prime is 6731407. The reversal of 6731404 is 4041376.

It is an interprime number because it is at equal distance from previous prime (6731401) and next prime (6731407).

It is a super-2 number, since 2×6731404² = 90623599622432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6731401) 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, 7284 + ... + 8155.

Almost surely, 2^6731404 is an apocalyptic number.

It is an amenable number.

6731404 is a deficient number, since it is larger than the sum of its proper divisors (5157396).

6731404 is a wasteful number, since it uses less digits than its factorization.

6731404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15552 (or 15550 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 6731404 is about 2594.4949412169. The cubic root of 6731404 is about 188.8144460722.

The spelling of 6731404 in words is "six million, seven hundred thirty-one thousand, four hundred four".