70830349 has 2 divisors, whose sum is σ = 70830350. Its totient is φ = 70830348.

The previous prime is 70830337. The next prime is 70830401. The reversal of 70830349 is 94303807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 16144324 = 7395^2 + 4018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70830349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70830049) 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, 35415174 + 35415175.

It is an arithmetic number, because the mean of its divisors is an integer number (35415175).

Almost surely, 2^70830349 is an apocalyptic number.

It is an amenable number.

70830349 is a deficient number, since it is larger than the sum of its proper divisors (1).

70830349 is an equidigital number, since it uses as much as digits as its factorization.

70830349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70830349 is about 8416.0768176152. The cubic root of 70830349 is about 413.7517025757.

The spelling of 70830349 in words is "seventy million, eight hundred thirty thousand, three hundred forty-nine".