5646673 has 4 divisors (see below), whose sum is σ = 5753268. Its totient is φ = 5540080.

The previous prime is 5646671. The next prime is 5646679. The reversal of 5646673 is 3766465.

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 1871424 + 3775249 = 1368^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646673 - 2¹ = 5646671 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5646671) 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, 53218 + ... + 53323.

It is an arithmetic number, because the mean of its divisors is an integer number (1438317).

Almost surely, 2^5646673 is an apocalyptic number.

5646673 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5646673 is a deficient number, since it is larger than the sum of its proper divisors (106595).

5646673 is a wasteful number, since it uses less digits than its factorization.

5646673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106594.

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

The square root of 5646673 is about 2376.2729220357. The cubic root of 5646673 is about 178.0727830116.

The spelling of 5646673 in words is "five million, six hundred forty-six thousand, six hundred seventy-three".