70855017 has 4 divisors (see below), whose sum is σ = 94473360. Its totient is φ = 47236676.

The previous prime is 70854989. The next prime is 70855051. The reversal of 70855017 is 71055807.

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 a cyclic number.

It is not a de Polignac number, because 70855017 - 2⁸ = 70854761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70855087) 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, 11809167 + ... + 11809172.

It is an arithmetic number, because the mean of its divisors is an integer number (23618340).

Almost surely, 2^70855017 is an apocalyptic number.

It is an amenable number.

70855017 is a deficient number, since it is larger than the sum of its proper divisors (23618343).

70855017 is a wasteful number, since it uses less digits than its factorization.

70855017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618342.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 70855017 is about 8417.5422184863. The cubic root of 70855017 is about 413.7997292691.

The spelling of 70855017 in words is "seventy million, eight hundred fifty-five thousand, seventeen".