70696069 has 2 divisors, whose sum is σ = 70696070. Its totient is φ = 70696068.

The previous prime is 70696051. The next prime is 70696091. The reversal of 70696069 is 96069607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 16305444 = 7375^2 + 4038^2 .

It is an emirp because it is prime and its reverse (96069607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70696069 - 2⁹ = 70695557 is a prime.

It is a super-2 number, since 2×70696069² = 9995868344105522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70696019) 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, 35348034 + 35348035.

It is an arithmetic number, because the mean of its divisors is an integer number (35348035).

Almost surely, 2^70696069 is an apocalyptic number.

It is an amenable number.

70696069 is a deficient number, since it is larger than the sum of its proper divisors (1).

70696069 is an equidigital number, since it uses as much as digits as its factorization.

70696069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 70696069 is about 8408.0954442727. The cubic root of 70696069 is about 413.4900740238.

The spelling of 70696069 in words is "seventy million, six hundred ninety-six thousand, sixty-nine".