6473641 has 4 divisors (see below), whose sum is σ = 6696900. Its totient is φ = 6250384.

The previous prime is 6473633. The next prime is 6473659. The reversal of 6473641 is 1463746.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 4822416 = 1285^2 + 2196^2 .

It is a cyclic number.

It is not a de Polignac number, because 6473641 - 2³ = 6473633 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6473671) 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, 111586 + ... + 111643.

It is an arithmetic number, because the mean of its divisors is an integer number (1674225).

Almost surely, 2^6473641 is an apocalyptic number.

It is an amenable number.

6473641 is a deficient number, since it is larger than the sum of its proper divisors (223259).

6473641 is a wasteful number, since it uses less digits than its factorization.

6473641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223258.

The product of its digits is 12096, while the sum is 31.

The square root of 6473641 is about 2544.3350801339. The cubic root of 6473641 is about 186.3729461648.

The spelling of 6473641 in words is "six million, four hundred seventy-three thousand, six hundred forty-one".