70699659 has 4 divisors (see below), whose sum is σ = 94266216. Its totient is φ = 47133104.

The previous prime is 70699639. The next prime is 70699669. The reversal of 70699659 is 95699607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95699607 = 3 ⋅31899869.

It is a cyclic number.

It is not a de Polignac number, because 70699659 - 2¹² = 70695563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70699639) 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 in 3 ways as a sum of consecutive naturals, for example, 11783274 + ... + 11783279.

It is an arithmetic number, because the mean of its divisors is an integer number (23566554).

Almost surely, 2^70699659 is an apocalyptic number.

70699659 is a deficient number, since it is larger than the sum of its proper divisors (23566557).

70699659 is a wasteful number, since it uses less digits than its factorization.

70699659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23566556.

The product of its (nonzero) digits is 918540, while the sum is 51.

The square root of 70699659 is about 8408.3089262943. The cubic root of 70699659 is about 413.4970730185.

The spelling of 70699659 in words is "seventy million, six hundred ninety-nine thousand, six hundred fifty-nine".