672712273 has 2 divisors, whose sum is σ = 672712274. Its totient is φ = 672712272.

The previous prime is 672712267. The next prime is 672712289. The reversal of 672712273 is 372217276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545315904 + 127396369 = 23352^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 672712273 - 2¹⁷ = 672581201 is a prime.

It is not a weakly prime, because it can be changed into another prime (672712223) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336356136 + 336356137.

It is an arithmetic number, because the mean of its divisors is an integer number (336356137).

Almost surely, 2^672712273 is an apocalyptic number.

It is an amenable number.

672712273 is a deficient number, since it is larger than the sum of its proper divisors (1).

672712273 is an equidigital number, since it uses as much as digits as its factorization.

672712273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 37.

The square root of 672712273 is about 25936.6974189082. The cubic root of 672712273 is about 876.2131843035.

The spelling of 672712273 in words is "six hundred seventy-two million, seven hundred twelve thousand, two hundred seventy-three".