84007069 has 2 divisors, whose sum is σ = 84007070. Its totient is φ = 84007068.

The previous prime is 84007061. The next prime is 84007093. The reversal of 84007069 is 96070048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53071225 + 30935844 = 7285^2 + 5562^2 .

It is a cyclic number.

It is not a de Polignac number, because 84007069 - 2³ = 84007061 is a prime.

It is a super-2 number, since 2×84007069² = 14114375283941522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84007061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42003534 + 42003535.

It is an arithmetic number, because the mean of its divisors is an integer number (42003535).

Almost surely, 2^84007069 is an apocalyptic number.

It is an amenable number.

84007069 is a deficient number, since it is larger than the sum of its proper divisors (1).

84007069 is an equidigital number, since it uses as much as digits as its factorization.

84007069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 84007069 is about 9165.5370273651. The cubic root of 84007069 is about 437.9641988905.

The spelling of 84007069 in words is "eighty-four million, seven thousand, sixty-nine".