6456673 has 4 divisors (see below), whose sum is σ = 6503940. Its totient is φ = 6409408.

The previous prime is 6456661. The next prime is 6456679. The reversal of 6456673 is 3766546.

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 1203409 + 5253264 = 1097^2 + 2292^2 .

It is not a de Polignac number, because 6456673 - 2⁵ = 6456641 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4⁸ + 5³ + 6⁷ + 6⁷ + 7⁸ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6456679) 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, 23428 + ... + 23701.

It is an arithmetic number, because the mean of its divisors is an integer number (1625985).

Almost surely, 2^6456673 is an apocalyptic number.

It is an amenable number.

6456673 is a deficient number, since it is larger than the sum of its proper divisors (47267).

6456673 is a wasteful number, since it uses less digits than its factorization.

6456673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47266.

The product of its digits is 90720, while the sum is 37.

The square root of 6456673 is about 2540.9984258161. The cubic root of 6456673 is about 186.2099702270.

The spelling of 6456673 in words is "six million, four hundred fifty-six thousand, six hundred seventy-three".