70320659 has 2 divisors, whose sum is σ = 70320660. Its totient is φ = 70320658.

The previous prime is 70320647. The next prime is 70320673. The reversal of 70320659 is 95602307.

It is a weak prime.

It is an emirp because it is prime and its reverse (95602307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70320659 - 2⁴ = 70320643 is a prime.

It is a Chen prime.

It is equal to p_4135829 and since 70320659 and 4135829 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (70320259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35160329 + 35160330.

It is an arithmetic number, because the mean of its divisors is an integer number (35160330).

Almost surely, 2^70320659 is an apocalyptic number.

70320659 is a deficient number, since it is larger than the sum of its proper divisors (1).

70320659 is an equidigital number, since it uses as much as digits as its factorization.

70320659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 70320659 is about 8385.7414102749. The cubic root of 70320659 is about 412.7568701903.

The spelling of 70320659 in words is "seventy million, three hundred twenty thousand, six hundred fifty-nine".