70385585 has 4 divisors (see below), whose sum is σ = 84462708. Its totient is φ = 56308464.

The previous prime is 70385573. The next prime is 70385597. The reversal of 70385585 is 58558307.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (70385573) and next prime (70385597).

It can be written as a sum of positive squares in 2 ways, for example, as 36385024 + 34000561 = 6032^2 + 5831^2 .

It is a cyclic number.

It is not a de Polignac number, because 70385585 - 2¹² = 70381489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7038554 + ... + 7038563.

It is an arithmetic number, because the mean of its divisors is an integer number (21115677).

Almost surely, 2^70385585 is an apocalyptic number.

It is an amenable number.

70385585 is a deficient number, since it is larger than the sum of its proper divisors (14077123).

70385585 is a wasteful number, since it uses less digits than its factorization.

70385585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14077122.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 70385585 is about 8389.6117311828. The cubic root of 70385585 is about 412.8838618386.

The spelling of 70385585 in words is "seventy million, three hundred eighty-five thousand, five hundred eighty-five".