70573985 has 8 divisors (see below), whose sum is σ = 86977896. Its totient is φ = 54933120.

The previous prime is 70573967. The next prime is 70574003. The reversal of 70573985 is 58937507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70573967) and next prime (70574003).

It can be written as a sum of positive squares in 4 ways, for example, as 41165056 + 29408929 = 6416^2 + 5423^2 .

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

It is not a de Polignac number, because 70573985 - 2¹⁰ = 70572961 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, 190556 + ... + 190925.

It is an arithmetic number, because the mean of its divisors is an integer number (10872237).

Almost surely, 2^70573985 is an apocalyptic number.

It is an amenable number.

70573985 is a deficient number, since it is larger than the sum of its proper divisors (16403911).

70573985 is a wasteful number, since it uses less digits than its factorization.

70573985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381523.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 70573985 is about 8400.8323992328. The cubic root of 70573985 is about 413.2519202441.

The spelling of 70573985 in words is "seventy million, five hundred seventy-three thousand, nine hundred eighty-five".