70120769 has 2 divisors, whose sum is σ = 70120770. Its totient is φ = 70120768.

The previous prime is 70120727. The next prime is 70120777. The reversal of 70120769 is 96702107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38626225 + 31494544 = 6215^2 + 5612^2 .

It is an emirp because it is prime and its reverse (96702107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70120769 - 2¹⁶ = 70055233 is a prime.

It is a super-2 number, since 2×70120769² = 9833844490302722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70122769) 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, 35060384 + 35060385.

It is an arithmetic number, because the mean of its divisors is an integer number (35060385).

Almost surely, 2^70120769 is an apocalyptic number.

It is an amenable number.

70120769 is a deficient number, since it is larger than the sum of its proper divisors (1).

70120769 is an equidigital number, since it uses as much as digits as its factorization.

70120769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 70120769 is about 8373.8144832567. The cubic root of 70120769 is about 412.3654050010.

The spelling of 70120769 in words is "seventy million, one hundred twenty thousand, seven hundred sixty-nine".