6746401 has 2 divisors, whose sum is σ = 6746402. Its totient is φ = 6746400.

The previous prime is 6746393. The next prime is 6746449. The reversal of 6746401 is 1046476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4511376 + 2235025 = 2124^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 6746401 - 2³ = 6746393 is a prime.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 6746401.

It is not a weakly prime, because it can be changed into another prime (6746461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373200 + 3373201.

It is an arithmetic number, because the mean of its divisors is an integer number (3373201).

Almost surely, 2^6746401 is an apocalyptic number.

It is an amenable number.

6746401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6746401 is an equidigital number, since it uses as much as digits as its factorization.

6746401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6746401 is about 2597.3834911310. The cubic root of 6746401 is about 188.9545629509.

The spelling of 6746401 in words is "six million, seven hundred forty-six thousand, four hundred one".