70508699 has 4 divisors (see below), whose sum is σ = 70525536. Its totient is φ = 70491864.

The previous prime is 70508693. The next prime is 70508701. The reversal of 70508699 is 99680507.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99680507 = 1093 ⋅91199.

It is a cyclic number.

It is not a de Polignac number, because 70508699 - 2²⁰ = 69460123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70508693) 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, 3317 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (17631384).

Almost surely, 2^70508699 is an apocalyptic number.

70508699 is a deficient number, since it is larger than the sum of its proper divisors (16837).

70508699 is an equidigital number, since it uses as much as digits as its factorization.

70508699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 70508699 is about 8396.9458138064. The cubic root of 70508699 is about 413.1244517041.

The spelling of 70508699 in words is "seventy million, five hundred eight thousand, six hundred ninety-nine".