70699 has 6 divisors (see below), whose sum is σ = 75660. Its totient is φ = 65880.

The previous prime is 70687. The next prime is 70709. The reversal of 70699 is 99607.

It is not a de Polignac number, because 70699 - 2⁵ = 70667 is a prime.

It is a Duffinian number.

70699 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 70699.

It is not an unprimeable number, because it can be changed into a prime (70619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (12610).

2⁷⁰⁶⁹⁹ is an apocalyptic number.

70699 is a deficient number, since it is larger than the sum of its proper divisors (4961).

70699 is an equidigital number, since it uses as much as digits as its factorization.

70699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 70699 is about 265.8928355560. The cubic root of 70699 is about 41.3495788263.

The spelling of 70699 in words is "seventy thousand, six hundred ninety-nine".