70830853 has 2 divisors, whose sum is σ = 70830854. Its totient is φ = 70830852.

The previous prime is 70830829. The next prime is 70830863. The reversal of 70830853 is 35803807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59954049 + 10876804 = 7743^2 + 3298^2 .

It is a cyclic number.

It is not a de Polignac number, because 70830853 - 2¹⁷ = 70699781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70830863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35415426 + 35415427.

It is an arithmetic number, because the mean of its divisors is an integer number (35415427).

Almost surely, 2^70830853 is an apocalyptic number.

It is an amenable number.

70830853 is a deficient number, since it is larger than the sum of its proper divisors (1).

70830853 is an equidigital number, since it uses as much as digits as its factorization.

70830853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 70830853 is about 8416.1067602544. The cubic root of 70830853 is about 413.7526839364.

The spelling of 70830853 in words is "seventy million, eight hundred thirty thousand, eight hundred fifty-three".