6672617225 has 6 divisors (see below), whose sum is σ = 8274045390. Its totient is φ = 5338093760.

The previous prime is 6672617209. The next prime is 6672617233. The reversal of 6672617225 is 5227162766.

It can be written as a sum of positive squares in 3 ways, for example, as 81288256 + 6591328969 = 9016^2 + 81187^2 .

It is not a de Polignac number, because 6672617225 - 2⁴ = 6672617209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133452320 + ... + 133452369.

It is an arithmetic number, because the mean of its divisors is an integer number (1379007565).

Almost surely, 2^6672617225 is an apocalyptic number.

It is an amenable number.

6672617225 is a deficient number, since it is larger than the sum of its proper divisors (1601428165).

6672617225 is a wasteful number, since it uses less digits than its factorization.

6672617225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266904699 (or 266904694 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 6672617225 is about 81686.0895440588. The cubic root of 6672617225 is about 1882.6318602166.

The spelling of 6672617225 in words is "six billion, six hundred seventy-two million, six hundred seventeen thousand, two hundred twenty-five".