6406727 has 2 divisors, whose sum is σ = 6406728. Its totient is φ = 6406726.

The previous prime is 6406721. The next prime is 6406747. The reversal of 6406727 is 7276046.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6406727 - 2¹⁰ = 6405703 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6406693 and 6406702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6406721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203363 + 3203364.

It is an arithmetic number, because the mean of its divisors is an integer number (3203364).

Almost surely, 2^6406727 is an apocalyptic number.

6406727 is a deficient number, since it is larger than the sum of its proper divisors (1).

6406727 is an equidigital number, since it uses as much as digits as its factorization.

6406727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 6406727 is about 2531.1513190641. The cubic root of 6406727 is about 185.7285805001.

The spelling of 6406727 in words is "six million, four hundred six thousand, seven hundred twenty-seven".