6401747 has 12 divisors (see below), whose sum is σ = 7099008. Its totient is φ = 5768400.

The previous prime is 6401723. The next prime is 6401749. The reversal of 6401747 is 7471046.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6401747 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22973 + ... + 23249.

It is an arithmetic number, because the mean of its divisors is an integer number (591584).

Almost surely, 2^6401747 is an apocalyptic number.

6401747 is a deficient number, since it is larger than the sum of its proper divisors (697261).

6401747 is a wasteful number, since it uses less digits than its factorization.

6401747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 6401747 is about 2530.1673857672. The cubic root of 6401747 is about 185.6804452570.

The spelling of 6401747 in words is "six million, four hundred one thousand, seven hundred forty-seven".