70330489 has 2 divisors, whose sum is σ = 70330490. Its totient is φ = 70330488.

The previous prime is 70330487. The next prime is 70330517. The reversal of 70330489 is 98403307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 22610025 = 6908^2 + 4755^2 .

It is a cyclic number.

It is not a de Polignac number, because 70330489 - 2¹ = 70330487 is a prime.

Together with 70330487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70330483) 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, 35165244 + 35165245.

It is an arithmetic number, because the mean of its divisors is an integer number (35165245).

Almost surely, 2^70330489 is an apocalyptic number.

It is an amenable number.

70330489 is a deficient number, since it is larger than the sum of its proper divisors (1).

70330489 is an equidigital number, since it uses as much as digits as its factorization.

70330489 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 70330489 is about 8386.3275037408. The cubic root of 70330489 is about 412.7761021441.

The spelling of 70330489 in words is "seventy million, three hundred thirty thousand, four hundred eighty-nine".