70013689 has 16 divisors (see below), whose sum is σ = 75660480. Its totient is φ = 64584000.

The previous prime is 70013687. The next prime is 70013693. The reversal of 70013689 is 98631007.

It is a cyclic number.

It is not a de Polignac number, because 70013689 - 2¹ = 70013687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70013681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252619 + ... + 252895.

It is an arithmetic number, because the mean of its divisors is an integer number (4728780).

Almost surely, 2^70013689 is an apocalyptic number.

It is an amenable number.

70013689 is a deficient number, since it is larger than the sum of its proper divisors (5646791).

70013689 is a wasteful number, since it uses less digits than its factorization.

70013689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 70013689 is about 8367.4182995713. The cubic root of 70013689 is about 412.1553931224.

The spelling of 70013689 in words is "seventy million, thirteen thousand, six hundred eighty-nine".