84419273 has 2 divisors, whose sum is σ = 84419274. Its totient is φ = 84419272.

The previous prime is 84419227. The next prime is 84419353. The reversal of 84419273 is 37291448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70341769 + 14077504 = 8387^2 + 3752^2 .

It is a cyclic number.

It is not a de Polignac number, because 84419273 - 2¹⁰ = 84418249 is a prime.

It is a super-2 number, since 2×84419273² = 14253227307697058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_4911968 and since 84419273 and 4911968 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84419173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42209636 + 42209637.

It is an arithmetic number, because the mean of its divisors is an integer number (42209637).

Almost surely, 2^84419273 is an apocalyptic number.

It is an amenable number.

84419273 is a deficient number, since it is larger than the sum of its proper divisors (1).

84419273 is an equidigital number, since it uses as much as digits as its factorization.

84419273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 84419273 is about 9187.9961362639. The cubic root of 84419273 is about 438.6793614143.

The spelling of 84419273 in words is "eighty-four million, four hundred nineteen thousand, two hundred seventy-three".