84473237 has 2 divisors, whose sum is σ = 84473238. Its totient is φ = 84473236.

The previous prime is 84473203. The next prime is 84473261. The reversal of 84473237 is 73237448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69372241 + 15100996 = 8329^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 84473237 - 2⁸ = 84472981 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84473237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84473267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42236618 + 42236619.

It is an arithmetic number, because the mean of its divisors is an integer number (42236619).

Almost surely, 2^84473237 is an apocalyptic number.

It is an amenable number.

84473237 is a deficient number, since it is larger than the sum of its proper divisors (1).

84473237 is an equidigital number, since it uses as much as digits as its factorization.

84473237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

The square root of 84473237 is about 9190.9323248515. The cubic root of 84473237 is about 438.7728149975.

The spelling of 84473237 in words is "eighty-four million, four hundred seventy-three thousand, two hundred thirty-seven".