70289269 has 2 divisors, whose sum is σ = 70289270. Its totient is φ = 70289268.

The previous prime is 70289267. The next prime is 70289273. The reversal of 70289269 is 96298207.

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., 53846244 + 16443025 = 7338^2 + 4055^2 .

It is a cyclic number.

It is not a de Polignac number, because 70289269 - 2¹ = 70289267 is a prime.

It is a super-2 number, since 2×70289269² = 9881162673108722, which contains 22 as substring.

Together with 70289267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70289267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35144634 + 35144635.

It is an arithmetic number, because the mean of its divisors is an integer number (35144635).

Almost surely, 2^70289269 is an apocalyptic number.

It is an amenable number.

70289269 is a deficient number, since it is larger than the sum of its proper divisors (1).

70289269 is an equidigital number, since it uses as much as digits as its factorization.

70289269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 70289269 is about 8383.8695719817. The cubic root of 70289269 is about 412.6954450621.

The spelling of 70289269 in words is "seventy million, two hundred eighty-nine thousand, two hundred sixty-nine".