84070067 has 2 divisors, whose sum is σ = 84070068. Its totient is φ = 84070066.

The previous prime is 84070061. The next prime is 84070073. The reversal of 84070067 is 76007048.

It is a balanced prime because it is at equal distance from previous prime (84070061) and next prime (84070073).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84070067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84070061) 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, 42035033 + 42035034.

It is an arithmetic number, because the mean of its divisors is an integer number (42035034).

Almost surely, 2^84070067 is an apocalyptic number.

84070067 is a deficient number, since it is larger than the sum of its proper divisors (1).

84070067 is an equidigital number, since it uses as much as digits as its factorization.

84070067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 84070067 is about 9168.9730613630. The cubic root of 84070067 is about 438.0736498962.

It can be divided in two parts, 840 and 70067, that added together give a palindrome (70907).

The spelling of 84070067 in words is "eighty-four million, seventy thousand, sixty-seven".