70698659 has 2 divisors, whose sum is σ = 70698660. Its totient is φ = 70698658.

The previous prime is 70698643. The next prime is 70698671. The reversal of 70698659 is 95689607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70698659 - 2⁴ = 70698643 is a prime.

It is not a weakly prime, because it can be changed into another prime (70698689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35349329 + 35349330.

It is an arithmetic number, because the mean of its divisors is an integer number (35349330).

Almost surely, 2^70698659 is an apocalyptic number.

70698659 is a deficient number, since it is larger than the sum of its proper divisors (1).

70698659 is an equidigital number, since it uses as much as digits as its factorization.

70698659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 70698659 is about 8408.2494610947. The cubic root of 70698659 is about 413.4951234616.

The spelling of 70698659 in words is "seventy million, six hundred ninety-eight thousand, six hundred fifty-nine".