70769 has 2 divisors, whose sum is σ = 70770. Its totient is φ = 70768.

The previous prime is 70753. The next prime is 70783. The reversal of 70769 is 96707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69169 + 1600 = 263^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 70769 - 2⁴ = 70753 is a prime.

It is a super-2 number, since 2×70769² = 10016502722, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35384 + 35385.

It is an arithmetic number, because the mean of its divisors is an integer number (35385).

2⁷⁰⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

70769 is a deficient number, since it is larger than the sum of its proper divisors (1).

70769 is an equidigital number, since it uses as much as digits as its factorization.

70769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70769 is about 266.0244349679. The cubic root of 70769 is about 41.3632212435.

The spelling of 70769 in words is "seventy thousand, seven hundred sixty-nine".