6672205 has 4 divisors (see below), whose sum is σ = 8006652. Its totient is φ = 5337760.

The previous prime is 6672191. The next prime is 6672229. The reversal of 6672205 is 5022766.

6672205 = 1826² + 1827².

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 3337929 + 3334276 = 1827^2 + 1826^2 .

It is not a de Polignac number, because 6672205 - 2⁷ = 6672077 is a prime.

It is a Duffinian number.

6672205 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667216 + ... + 667225.

It is an arithmetic number, because the mean of its divisors is an integer number (2001663).

Almost surely, 2^6672205 is an apocalyptic number.

6672205 is the 1827-th centered square number.

It is an amenable number.

6672205 is a deficient number, since it is larger than the sum of its proper divisors (1334447).

6672205 is a wasteful number, since it uses less digits than its factorization.

6672205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334446.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6672205 is about 2583.0611684589. The cubic root of 6672205 is about 188.2593090627.

The spelling of 6672205 in words is "six million, six hundred seventy-two thousand, two hundred five".