70587013 has 8 divisors (see below), whose sum is σ = 80766720. Its totient is φ = 60431280.

The previous prime is 70587001. The next prime is 70587019. The reversal of 70587013 is 31078507.

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

It is not a de Polignac number, because 70587013 - 2¹⁷ = 70455941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70587019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^70587013 is an apocalyptic number.

It is an amenable number.

70587013 is a deficient number, since it is larger than the sum of its proper divisors (10179707).

70587013 is a wasteful number, since it uses less digits than its factorization.

70587013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 70587013 is about 8401.6077628035. The cubic root of 70587013 is about 413.2773475304.

The spelling of 70587013 in words is "seventy million, five hundred eighty-seven thousand, thirteen".