70955171 has 4 divisors (see below), whose sum is σ = 81091632. Its totient is φ = 60818712.

The previous prime is 70955167. The next prime is 70955173. The reversal of 70955171 is 17155907.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70955171 - 2² = 70955167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70955173) 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, 5068220 + ... + 5068233.

It is an arithmetic number, because the mean of its divisors is an integer number (20272908).

Almost surely, 2^70955171 is an apocalyptic number.

70955171 is a deficient number, since it is larger than the sum of its proper divisors (10136461).

70955171 is a wasteful number, since it uses less digits than its factorization.

70955171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136460.

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 70955171 is about 8423.4892414011. The cubic root of 70955171 is about 413.9946069606.

The spelling of 70955171 in words is "seventy million, nine hundred fifty-five thousand, one hundred seventy-one".