1772273 has 2 divisors, whose sum is σ = 1772274. Its totient is φ = 1772272.

The previous prime is 1772249. The next prime is 1772291. The reversal of 1772273 is 3722771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 620944 = 1073^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1772273 - 2⁶ = 1772209 is a prime.

It is a super-3 number, since 3×1772273³ = 16699871073337531251, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1772213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886136 + 886137.

It is an arithmetic number, because the mean of its divisors is an integer number (886137).

2^1772273 is an apocalyptic number.

It is an amenable number.

1772273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1772273 is an equidigital number, since it uses as much as digits as its factorization.

1772273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 29.

The square root of 1772273 is about 1331.2674412003. The cubic root of 1772273 is about 121.0162080148.

The spelling of 1772273 in words is "one million, seven hundred seventy-two thousand, two hundred seventy-three".