70000985 has 8 divisors (see below), whose sum is σ = 88942536. Its totient is φ = 52706560.

The previous prime is 70000943. The next prime is 70000991. The reversal of 70000985 is 58900007.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5053504 + 64947481 = 2248^2 + 8059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70000985 - 2¹⁰ = 69999961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411686 + ... + 411855.

It is an arithmetic number, because the mean of its divisors is an integer number (11117817).

Almost surely, 2^70000985 is an apocalyptic number.

It is an amenable number.

70000985 is a deficient number, since it is larger than the sum of its proper divisors (18941551).

70000985 is a wasteful number, since it uses less digits than its factorization.

70000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823563.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 70000985 is about 8366.6591301427. The cubic root of 70000985 is about 412.1304630508.

The spelling of 70000985 in words is "seventy million, nine hundred eighty-five", and thus it is an aban number.