70849 has 2 divisors, whose sum is σ = 70850. Its totient is φ = 70848.

The previous prime is 70843. The next prime is 70853. The reversal of 70849 is 94807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67600 + 3249 = 260^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 70849 - 2³ = 70841 is a prime.

70849 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (70841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35424 + 35425.

It is an arithmetic number, because the mean of its divisors is an integer number (35425).

2⁷⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

70849 is a deficient number, since it is larger than the sum of its proper divisors (1).

70849 is an equidigital number, since it uses as much as digits as its factorization.

70849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 70849 is about 266.1747546256. The cubic root of 70849 is about 41.3788015662.

It can be divided in two parts, 708 and 49, that added together give a palindrome (757).

The spelling of 70849 in words is "seventy thousand, eight hundred forty-nine".