70004089 has 2 divisors, whose sum is σ = 70004090. Its totient is φ = 70004088.

The previous prime is 70004071. The next prime is 70004093. The reversal of 70004089 is 98040007.

70004089 = T₆₈₃₀ + T₆₈₃₁ + T₆₈₃₂.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 22848400 = 6867^2 + 4780^2 .

It is a cyclic number.

It is not a de Polignac number, because 70004089 - 2¹⁹ = 69479801 is a prime.

It is a super-3 number, since 3×70004089³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70004059) 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, 35002044 + 35002045.

It is an arithmetic number, because the mean of its divisors is an integer number (35002045).

Almost surely, 2^70004089 is an apocalyptic number.

70004089 is the 6832-nd centered triangular number.

It is an amenable number.

70004089 is a deficient number, since it is larger than the sum of its proper divisors (1).

70004089 is an equidigital number, since it uses as much as digits as its factorization.

70004089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 70004089 is about 8366.8446262614. The cubic root of 70004089 is about 412.1365545558.

The spelling of 70004089 in words is "seventy million, four thousand, eighty-nine".