70004069 has 2 divisors, whose sum is σ = 70004070. Its totient is φ = 70004068.

The previous prime is 70004059. The next prime is 70004071. The reversal of 70004069 is 96040007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61230625 + 8773444 = 7825^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 70004069 - 2¹² = 69999973 is a prime.

It is a super-3 number, since 3×70004069³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 70004071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70004059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35002034 + 35002035.

It is an arithmetic number, because the mean of its divisors is an integer number (35002035).

Almost surely, 2^70004069 is an apocalyptic number.

It is an amenable number.

70004069 is a deficient number, since it is larger than the sum of its proper divisors (1).

70004069 is an equidigital number, since it uses as much as digits as its factorization.

70004069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 70004069 is about 8366.8434310677. The cubic root of 70004069 is about 412.1365153070.

The spelling of 70004069 in words is "seventy million, four thousand, sixty-nine".