70873310217 has 4 divisors (see below), whose sum is σ = 94497746960. Its totient is φ = 47248873476.

The previous prime is 70873310191. The next prime is 70873310303. The reversal of 70873310217 is 71201337807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70873310217 - 2¹⁸ = 70873048073 is a prime.

It is a super-2 number, since 2×70873310217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70873314217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11812218367 + ... + 11812218372.

It is an arithmetic number, because the mean of its divisors is an integer number (23624436740).

Almost surely, 2^70873310217 is an apocalyptic number.

It is an amenable number.

70873310217 is a deficient number, since it is larger than the sum of its proper divisors (23624436743).

70873310217 is a wasteful number, since it uses less digits than its factorization.

70873310217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23624436742.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 70873310217 in words is "seventy billion, eight hundred seventy-three million, three hundred ten thousand, two hundred seventeen".