70988171 has 8 divisors (see below), whose sum is σ = 73565184. Its totient is φ = 68429160.

The previous prime is 70988149. The next prime is 70988173. The reversal of 70988171 is 17188907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70988171 - 2²⁶ = 3879307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70988173) 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 7 ways as a sum of consecutive naturals, for example, 3800 + ... + 12506.

It is an arithmetic number, because the mean of its divisors is an integer number (9195648).

Almost surely, 2^70988171 is an apocalyptic number.

70988171 is a deficient number, since it is larger than the sum of its proper divisors (2577013).

70988171 is a wasteful number, since it uses less digits than its factorization.

70988171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9001.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 70988171 is about 8425.4478219261. The cubic root of 70988171 is about 414.0587775462.

The spelling of 70988171 in words is "seventy million, nine hundred eighty-eight thousand, one hundred seventy-one".