6744407 has 2 divisors, whose sum is σ = 6744408. Its totient is φ = 6744406.

The previous prime is 6744403. The next prime is 6744431. The reversal of 6744407 is 7044476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6744407 - 2² = 6744403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6744403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372203 + 3372204.

It is an arithmetic number, because the mean of its divisors is an integer number (3372204).

Almost surely, 2^6744407 is an apocalyptic number.

6744407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6744407 is an equidigital number, since it uses as much as digits as its factorization.

6744407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 6744407 is about 2596.9996149403. Note that the first 3 decimals coincide. The cubic root of 6744407 is about 188.9359449982.

The spelling of 6744407 in words is "six million, seven hundred forty-four thousand, four hundred seven".