7270189 has 2 divisors, whose sum is σ = 7270190. Its totient is φ = 7270188.

The previous prime is 7270181. The next prime is 7270253. The reversal of 7270189 is 9810727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5929225 + 1340964 = 2435^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 7270189 - 2³ = 7270181 is a prime.

It is an alternating number because its digits alternate between odd and even.

7270189 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7270181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3635094 + 3635095.

It is an arithmetic number, because the mean of its divisors is an integer number (3635095).

Almost surely, 2^7270189 is an apocalyptic number.

It is an amenable number.

7270189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7270189 is an equidigital number, since it uses as much as digits as its factorization.

7270189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 7270189 is about 2696.3288004248. The cubic root of 7270189 is about 193.7233186984.

The spelling of 7270189 in words is "seven million, two hundred seventy thousand, one hundred eighty-nine".