1742212273 has 2 divisors, whose sum is σ = 1742212274. Its totient is φ = 1742212272.

The previous prime is 1742212261. The next prime is 1742212279. The reversal of 1742212273 is 3722122471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289671744 + 452540529 = 35912^2 + 21273^2 .

It is an emirp because it is prime and its reverse (3722122471) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1742212273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1742212279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871106136 + 871106137.

It is an arithmetic number, because the mean of its divisors is an integer number (871106137).

Almost surely, 2^1742212273 is an apocalyptic number.

It is an amenable number.

1742212273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742212273 is an equidigital number, since it uses as much as digits as its factorization.

1742212273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 31.

The square root of 1742212273 is about 41739.8163987337. The cubic root of 1742212273 is about 1203.2808995824.

The spelling of 1742212273 in words is "one billion, seven hundred forty-two million, two hundred twelve thousand, two hundred seventy-three".