70648559 has 2 divisors, whose sum is σ = 70648560. Its totient is φ = 70648558.

The previous prime is 70648511. The next prime is 70648607. The reversal of 70648559 is 95584607.

It is a balanced prime because it is at equal distance from previous prime (70648511) and next prime (70648607).

It is a cyclic number.

It is not a de Polignac number, because 70648559 - 2²⁴ = 53871343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70644559) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35324279 + 35324280.

It is an arithmetic number, because the mean of its divisors is an integer number (35324280).

Almost surely, 2^70648559 is an apocalyptic number.

70648559 is a deficient number, since it is larger than the sum of its proper divisors (1).

70648559 is an equidigital number, since it uses as much as digits as its factorization.

70648559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 70648559 is about 8405.2697160769. The cubic root of 70648559 is about 413.3974271199.

The spelling of 70648559 in words is "seventy million, six hundred forty-eight thousand, five hundred fifty-nine".