70717013 has 4 divisors (see below), whose sum is σ = 70806540. Its totient is φ = 70627488.

The previous prime is 70717001. The next prime is 70717021. The reversal of 70717013 is 31071707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31071707 = 19 ⋅1635353.

It can be written as a sum of positive squares in 2 ways, for example, as 21464689 + 49252324 = 4633^2 + 7018^2 .

It is a cyclic number.

It is not a de Polignac number, because 70717013 - 2¹⁴ = 70700629 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 (70717033) 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 3 ways as a sum of consecutive naturals, for example, 43568 + ... + 45161.

It is an arithmetic number, because the mean of its divisors is an integer number (17701635).

Almost surely, 2^70717013 is an apocalyptic number.

It is an amenable number.

70717013 is a deficient number, since it is larger than the sum of its proper divisors (89527).

70717013 is an equidigital number, since it uses as much as digits as its factorization.

70717013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89526.

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 70717013 is about 8409.3408183995. The cubic root of 70717013 is about 413.5309027015.

The spelling of 70717013 in words is "seventy million, seven hundred seventeen thousand, thirteen".