70585513 has 8 divisors (see below), whose sum is σ = 78671520. Its totient is φ = 62936640.

The previous prime is 70585511. The next prime is 70585517. The reversal of 70585513 is 31558507.

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

It is a cyclic number.

It is not a de Polignac number, because 70585513 - 2¹ = 70585511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70585511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108943 + ... + 109588.

It is an arithmetic number, because the mean of its divisors is an integer number (9833940).

Almost surely, 2^70585513 is an apocalyptic number.

It is an amenable number.

70585513 is a deficient number, since it is larger than the sum of its proper divisors (8086007).

70585513 is a wasteful number, since it uses less digits than its factorization.

70585513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218567.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 70585513 is about 8401.5184937010. The cubic root of 70585513 is about 413.2744200778.

The spelling of 70585513 in words is "seventy million, five hundred eighty-five thousand, five hundred thirteen".