84066743 has 2 divisors, whose sum is σ = 84066744. Its totient is φ = 84066742.

The previous prime is 84066739. The next prime is 84066757. The reversal of 84066743 is 34766048.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84066743 - 2² = 84066739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84066697 and 84066706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84066713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42033371 + 42033372.

It is an arithmetic number, because the mean of its divisors is an integer number (42033372).

Almost surely, 2^84066743 is an apocalyptic number.

84066743 is a deficient number, since it is larger than the sum of its proper divisors (1).

84066743 is an equidigital number, since it uses as much as digits as its factorization.

84066743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 84066743 is about 9168.7917960874. The cubic root of 84066743 is about 438.0678762360.

The spelling of 84066743 in words is "eighty-four million, sixty-six thousand, seven hundred forty-three".